Encycolorpedia

Nippon Paint Crown Jewel / NP PB 1484 A / ‎#415185 أكواد الألوان الست عشرية

#415185 Paint Chipالكود اللوني الست عشري‎#415185 هو ظل متوسط​الإظلام للأزرق.‏ في نموذج RGB للألوان يتكون ‎#415185 من‎25.49% أحمر، و‎31.76% أخضر، و‎52.16% أزرق. وفي الفضاء اللوني HSL يتكون ‎#415185 من صبغة لون226 درجة، و ‎34% تشبع، و ‎39% إضاءة. وهذا اللون له طول موجي يبلغ تقريباً 471.33 نانومتر.

الاختلافات اللون

ألوان مسماة

الألوان

تحميل: GIMP GPL Adobe ASE (Adobe Swatch Exchange) Sketch Palette

‎#415185 انحدار خطي إلى التكميلي ‎#8e9234

  1. ‎#415185
  2. ‎#555b7a
  3. ‎#64656e
  4. ‎#717062
  5. ‎#7c7b54
  6. ‎#858646
  7. ‎#8e9234

ألوان أحادية

  1. ‎#314375
  2. ‎#36477a
  3. ‎#3c4c80
  4. ‎#415185
  5. ‎#46568a
  6. ‎#4c5b90
  7. ‎#516095

نغمات

  1. ‎#415185
  2. ‎#49547f
  3. ‎#4f577a
  4. ‎#555a74
  5. ‎#5a5d6e
  6. ‎#5f6069
  7. ‎#636363

الصبغات والظلال

‎#415185 إلى الأبيض

  1. ‎#415185
  2. ‎#616b99
  3. ‎#8087ad
  4. ‎#9fa3c1
  5. ‎#bfc1d5
  6. ‎#dfe0ea
  7. ‎#ffffff / #fff

‎#415185 إلى الأسو

  1. ‎#415185
  2. ‎#37446e
  3. ‎#2e3757
  4. ‎#252a42
  5. ‎#1b1e2d
  6. ‎#12131a
  7. ‎#000000 / #000

الدهانات

دهانات مطابقة دقيقة

دهانات مماثلة

  1. ICI Paints

    1. ★ 4240 Victorian Violet 88BB 11/331
      ‎#415086
      ΔE = 0.706 / LRV ≈ 8.6%
    2. Huckleberry 70BB 10/275
      ‎#374e79
      ΔE = 3.822 / LRV ≈ 7.6%
  2. Taubmans

    1. ★ Enchanted Night / T08 23-4
      ‎#445283
      ΔE = 0.877 / LRV ≈ 8.9%
    2. Pansy / T12 38.H6
      ‎#4a568e
      ΔE = 2.863 / LRV ≈ 10.1%
  3. Pantone / PMS

    1. ★ P 105-7 C
      ‎#3e4f84
      ΔE = 0.896 / LRV ≈ 8.3%
    2. 8785 C
      ‎#304c86
      ΔE = 3.164 / LRV ≈ 7.5%
  4. Natural Color System / NCS

    1. ★ S 4040-R80B
      ‎#3d5087
      ΔE = 0.925 / LRV ≈ 8.5%
    2. S 4040-R90B
      ‎#305483
      ΔE = 4.326 / LRV ≈ 8.6%
  5. Opaltone / OMS

    1. ★ 6587
      ‎#3d5388
      ΔE = 1.163 / LRV ≈ 9.0%
    2. 6539
      ‎#3d5891
      ΔE = 3.122 / LRV ≈ 10.0%
  6. Porter Paints

    1. ★ Blue Jewel / 346-7
      ‎#455383
      ΔE = 1.299 / LRV ≈ 9.1%
    2. Roman Violet / 345-7
      ‎#4c517f
      ΔE = 2.372 / LRV ≈ 9.0%
  7. TRUMATCH

    1. ★ 36-c6
      ‎#455488
      ΔE = 1.315 / LRV ≈ 9.4%
    2. ★ 37-a7
      ‎#3d5281
      ΔE = 1.977 / LRV ≈ 8.6%
  8. PPG Pittsburgh Paints

    1. ★ Blue Jewel / PPG1167-7
      ‎#465383
      ΔE = 1.350 / LRV ≈ 9.1%
    2. Roman Violet / PPG1170-7
      ‎#4d517f
      ΔE = 2.561 / LRV ≈ 9.0%
  9. Glidden

    1. ★ Blue Jewel / PPG1167-7
      ‎#465383
      ΔE = 1.350 / LRV ≈ 9.1%
    2. Crushed Velvet / PPG1245-7
      ‎#445397
      ΔE = 4.577 / LRV ≈ 9.6%
  10. Audi

    1. ★ Kornblume / F9, LY5M
      ‎#395287
      ΔE = 1.522 / LRV ≈ 8.7%
    2. Sepangblau Metallic / E9, E9E9, E9PA, LY5Q
      ‎#1e5186
      ΔE = 5.112 / LRV ≈ 7.9%
  11. Evonik-Degussa

    1. ★ 284A Crown Jewel
      ‎#395184
      ΔE = 1.650 / LRV ≈ 8.4%
    2. 234A Sultan Blue
      ‎#525181
      ΔE = 3.572 / LRV ≈ 9.3%
  12. Resene

    1. ★ Sapphire B48-064-268
      ‎#3f5281
      ΔE = 1.699 / LRV ≈ 8.7%
    2. Magik B45-066-273
      ‎#3e4c7a
      ΔE = 2.664 / LRV ≈ 7.6%
  13. Disney

    1. ★ 3B-10 Warp Speed Blue
      ‎#475589
      ΔE = 1.813 / LRV ≈ 9.6%
    2. 3C-20-4 Infinity and Beyond
      ‎#335b92
      ΔE = 4.853 / LRV ≈ 10.3%
  14. Behr

    1. ★ Mozart PPU15-02
      ‎#485381
      ΔE = 1.828 / LRV ≈ 9.1%
    2. Purple Prince P550-7
      ‎#505387
      ΔE = 3.115 / LRV ≈ 9.6%
  15. Dunn-Edwards

    1. ★ Dive In / 100
      ‎#3c4d85
      ΔE = 1.904 / LRV ≈ 8.0%
    2. Deep Sapphire / 52
      ‎#1d4e8f
      ΔE = 4.763 / LRV ≈ 7.7%
  16. Abet Laminati

    1. ★ Bleu Esperia 496
      ‎#415381
      ΔE = 1.919 / LRV ≈ 8.9%
    2. Blu Pavone 849
      ‎#33527e
      ΔE = 4.304 / LRV ≈ 8.2%
  17. Laura Ashley

    1. ★ 1506 Sapphire 6
      ‎#39548b
      ΔE = 1.938 / LRV ≈ 9.1%
  18. Nerolac

    1. ★ Greek God - 4275
      ‎#434f7c
      ΔE = 1.959 / LRV ≈ 8.2%
    2. Debonair - 2371
      ‎#2f4986
      ΔE = 4.245 / LRV ≈ 7.1%
  19. Brillux

    1. ★ 54.12.27
      ‎#424f7c
      ΔE = 1.986 / LRV ≈ 8.2%
    2. 57.15.27
      ‎#32507d
      ΔE = 4.062 / LRV ≈ 7.9%
  20. Valspar Paint

    1. ★ Homecoming Blue
      ‎#485585
      ΔE = 1.991 / LRV ≈ 9.6%
    2. Deep Ocean Floor R157A
      ‎#4b527b
      ΔE = 2.981 / LRV ≈ 9.0%
  21. Cloverdale Paint

    1. ★ Evening Magic / 7245
      ‎#405381
      ΔE = 2.023 / LRV ≈ 8.9%
    2. Georgian Court / 7213
      ‎#4c517e
      ΔE = 2.482 / LRV ≈ 8.9%
  22. Sherwin-Williams

    1. ★ Morning Glory - 6971
      ‎#3c4c80
      ΔE = 2.090 / LRV ≈ 7.7%
    2. Frank Blue - 6967
      ‎#225288
      ΔE = 4.604 / LRV ≈ 8.2%
  23. Ford

    1. ★ Blue
      ‎#42517d
      ΔE = 2.134 / LRV ≈ 8.5%
    2. Bay Roc Blue
      ‎#395888
      ΔE = 3.952 / LRV ≈ 9.6%
  24. Nippon Paint

    1. ★ Cobalt Blue / NP AC 2100 A
      ‎#445686
      ΔE = 2.254 / LRV ≈ 9.6%
    2. So Purple / NP AC 2095 A
      ‎#4d4c76
      ΔE = 4.081 / LRV ≈ 8.1%
  25. Brighto Paints

    1. ★ 2-37-7 Lobelia
      ‎#344e86
      ΔE = 2.279 / LRV ≈ 7.9%
    2. 2-39-7 Purple Gumdrop
      ‎#4c4c85
      ΔE = 3.913 / LRV ≈ 8.4%
  26. Volkswagen

    1. Ancona Blue
      ‎#364e81
      ΔE = 2.302 / LRV ≈ 7.8%
    2. Barrier Blue
      ‎#33467d
      ΔE = 4.739 / LRV ≈ 6.6%
  27. Diamond Vogel

    1. Blue Highlight / 0613
      ‎#40508d
      ΔE = 2.444 / LRV ≈ 8.7%
    2. Florida Waters / 0599
      ‎#344b83
      ΔE = 3.005 / LRV ≈ 7.4%
  28. ECOS Paints

    1. Blue Highlight (0613)
      ‎#40508d
      ΔE = 2.444 / LRV ≈ 8.7%
    2. Dancing Sea (0641)
      ‎#345392
      ΔE = 3.049 / LRV ≈ 9.0%
  29. Peintures MF

    1. CD339-5
      ‎#444c7b
      ΔE = 2.471 / LRV ≈ 7.8%
    2. Bleu antique
      ‎#32558f
      ΔE = 3.005 / LRV ≈ 9.2%
  30. Sigma

    1. Mistic Purple / S 5040-R70B
      ‎#3d4c7b
      ΔE = 2.558 / LRV ≈ 7.6%
    2. Mistic Purple / S 4050-R70B
      ‎#435690
      ΔE = 2.582 / LRV ≈ 9.9%
  31. Matthews Paint

    1. Bicycle Blue / 25808
      ‎#355284
      ΔE = 2.619 / LRV ≈ 8.5%
    2. Ultra Blue Met. / 22006
      ‎#43518f
      ΔE = 2.880 / LRV ≈ 9.1%
  32. Tikkurila

    1. 9704
      ‎#444c84
      ΔE = 2.628 / LRV ≈ 8.1%
  33. Jotun

    1. 4327 / Havdyp
      ‎#3e4b7b
      ΔE = 2.680 / LRV ≈ 7.5%
  34. Albany Paint

    1. Blue Anchor
      ‎#344c84
      ΔE = 2.724 / LRV ≈ 7.6%
    2. Tollard Royal
      ‎#565585
      ΔE = 4.343 / LRV ≈ 10.2%
  35. Earthpaint

    1. 3-39-6 Grape Hyacinth
      ‎#49527b
      ΔE = 2.850 / LRV ≈ 8.9%
    2. 1-38-7 Masquerade
      ‎#4a5792
      ΔE = 3.580 / LRV ≈ 10.3%
  36. Bristol

    1. Pansy / P106-C7
      ‎#4a568e
      ΔE = 2.863 / LRV ≈ 10.1%
    2. Starry Night Blue / P108-C6
      ‎#47557e
      ΔE = 3.211 / LRV ≈ 9.3%
  37. GM / General Motors

    1. Panama Blue
      ‎#2f528e
      ΔE = 2.907 / LRV ≈ 8.6%
    2. Lake Placid Blue
      ‎#2d5499
      ΔE = 4.573 / LRV ≈ 9.2%
  38. Kelly-Moore

    1. Evening Magic / KM3104-5
      ‎#3f4b85
      ΔE = 2.908 / LRV ≈ 7.8%
    2. Cascade Twilight / KM3136-5
      ‎#2e5495
      ΔE = 3.813 / LRV ≈ 9.1%
  39. Dutch Boy

    1. Splendiforous
      ‎#505384
      ΔE = 2.987 / LRV ≈ 9.6%
    2. Cordon Bleu
      ‎#365798
      ΔE = 4.076 / LRV ≈ 9.9%
  40. Colortrend

    1. 0641
      ‎#345392
      ΔE = 3.049 / LRV ≈ 9.0%
    2. 0606
      ‎#43487e
      ΔE = 3.881 / LRV ≈ 7.3%
  41. AMC

    1. Medium Blue
      ‎#3c5891
      ΔE = 3.161 / LRV ≈ 10.0%
    2. Adriatic Blue
      ‎#285790
      ΔE = 4.491 / LRV ≈ 9.3%
  42. Mylands of London

    1. Smalt
      ‎#435593
      ΔE = 3.191 / LRV ≈ 9.8%
  43. Crown Paint

    1. 1987 Denim
      ‎#3b507b
      ΔE = 3.193 / LRV ≈ 8.1%
  44. CIL

    1. Huckleberry
      ‎#435681
      ΔE = 3.226 / LRV ≈ 9.4%
    2. Phantom Blue
      ‎#384b77
      ΔE = 3.860 / LRV ≈ 7.2%
  45. Vallejo

    1. Vallejo 70.736 #209
      ‎#375694
      ΔE = 3.304 / LRV ≈ 9.6%
    2. Vallejo 70.839 #55
      ‎#3d4885
      ΔE = 4.312 / LRV ≈ 7.3%
  46. Crown Diamond

    1. 7327-73 Saxon Cobalt
      ‎#355382
      ΔE = 3.396 / LRV ≈ 8.6%
    2. 7350-73 Funkytown
      ‎#4d4976
      ΔE = 4.774 / LRV ≈ 7.7%
  47. RAL

    1. RAL 290 40 30
      ‎#50578b
      ΔE = 3.526 / LRV ≈ 10.4%
    2. RAL 290 40 25
      ‎#545883
      ΔE = 4.439 / LRV ≈ 10.5%
  48. Lascaux

    1. Phthalo blue deep / 145
      ‎#2b4f8e
      ΔE = 3.552 / LRV ≈ 8.1%
  49. FolkArt

    1. Cobalt Blue / 720
      ‎#2a508f
      ΔE = 3.573 / LRV ≈ 8.2%
    2. True Blue / 401
      ‎#2a5491
      ΔE = 3.663 / LRV ≈ 8.9%
  50. Duron

    1. Revel Blue
      ‎#465a8c
      ΔE = 3.617 / LRV ≈ 10.5%
  51. Asian Paints

    1. Imperial Blue / 7245
      ‎#45497f
      ΔE = 3.650 / LRV ≈ 7.6%
    2. Bing Blue / 9205
      ‎#284b86
      ΔE = 4.132 / LRV ≈ 7.2%
  52. Devoe Paint

    1. Victorian Violet / 88BB 11/331
      ‎#505887
      ΔE = 3.657 / LRV ≈ 10.4%
    2. Huckleberry / 70BB 10/275
      ‎#44567d
      ΔE = 4.093 / LRV ≈ 9.4%
  53. Plascon

    1. Ocean Frigot B6-E1-4
      ‎#505884
      ΔE = 3.837 / LRV ≈ 10.4%
    2. Slate Stone B7-E1-4
      ‎#54548c
      ΔE = 4.396 / LRV ≈ 10.1%
  54. Levis

    1. Kleur Van Het Jaar Ultiem Blauw
      ‎#465075
      ΔE = 3.846 / LRV ≈ 8.3%
  55. Benjamin Moore

    1. Twilight Blue / 2067-30
      ‎#375597
      ΔE = 3.861 / LRV ≈ 9.5%
    2. Bistro Blue / 1421
      ‎#54598b
      ΔE = 4.473 / LRV ≈ 10.9%
  56. Chrysler

    1. Bombardier Blue
      ‎#374d78
      ΔE = 3.904 / LRV ≈ 7.5%
    2. Medium Blue
      ‎#1c518f
      ΔE = 4.571 / LRV ≈ 8.1%
  57. Tollens

    1. T2006-5
      ‎#2d4a81
      ΔE = 3.943 / LRV ≈ 7.0%
    2. T2008-4
      ‎#42587f
      ΔE = 4.809 / LRV ≈ 9.7%
  58. Clark+Kensington

    1. African Flower / 39C-7
      ‎#52557e
      ΔE = 3.975 / LRV ≈ 9.8%
    2. Blazing Blue / 37D-5
      ‎#34569a
      ΔE = 4.490 / LRV ≈ 9.7%
  59. Dulux Australia

    1. Misty Blue / A376
      ‎#34507c
      ΔE = 4.000 / LRV ≈ 7.9%
    2. Purple Pool / A409
      ‎#4b4976
      ΔE = 4.472 / LRV ≈ 7.6%
  60. Olympic

    1. Imperial Purple B44-6
      ‎#4f4e77
      ΔE = 4.029 / LRV ≈ 8.4%
    2. Eggplant A44-6
      ‎#555487
      ΔE = 4.178 / LRV ≈ 10.0%
  61. Pratt & Lambert

    1. Ethereal 27-15
      ‎#275590
      ΔE = 4.071 / LRV ≈ 8.9%
    2. Parma Violet 28-16
      ‎#3b4970
      ΔE = 5.046 / LRV ≈ 6.9%
  62. Caparol

    1. 52 6 264 / Saphir 15
      ‎#404874
      ΔE = 4.205 / LRV ≈ 7.0%
    2. 60 14 250 / Marin 40
      ‎#34589c
      ΔE = 4.886 / LRV ≈ 10.1%
  63. British Standard

    1. BS381 108 - Aircraft blue
      ‎#3b4875
      ΔE = 4.237 / LRV ≈ 6.8%
    2. BS381 110 - Roundel blue
      ‎#3d4971
      ΔE = 4.684 / LRV ≈ 6.9%
  64. Vista Paint

    1. Sailor's Eyes
      ‎#394778
      ΔE = 4.260 / LRV ≈ 6.7%
  65. Scib Paints

    1. Sailor's Eyes / AC142
      ‎#394778
      ΔE = 4.260 / LRV ≈ 6.7%
  66. Berger

    1. Sailor's Eyes / AC142
      ‎#394778
      ΔE = 4.260 / LRV ≈ 6.7%
  67. Ralph Lauren

    1. Beach Purple / RLIB225
      ‎#504c7a
      ΔE = 4.271 / LRV ≈ 8.3%
    2. Spinnaker / RLIB224
      ‎#3e4670
      ΔE = 5.211 / LRV ≈ 6.6%
  68. Sikkens

    1. U7.39.20
      ‎#334c78
      ΔE = 4.346 / LRV ≈ 7.2%
    2. U6.31.25
      ‎#3f557a
      ΔE = 4.941 / LRV ≈ 9.0%
  69. Ressource Peintures

    1. Orange Bleue / SL31
      ‎#1f508b
      ΔE = 4.384 / LRV ≈ 7.9%
    2. Deep Nankin Blue / HC30
      ‎#324975
      ΔE = 4.991 / LRV ≈ 6.7%
  70. Sto

    1. 34300
      ‎#52557b
      ΔE = 4.408 / LRV ≈ 9.7%
    2. 34400
      ‎#465d8c
      ΔE = 4.988 / LRV ≈ 11.0%
  71. Coronado Paint

    1. 7325 - Cascade Twilight
      ‎#235187
      ΔE = 4.437 / LRV ≈ 8.0%
    2. 7213 - Georgian Court
      ‎#414572
      ΔE = 5.237 / LRV ≈ 6.6%
  72. 1829

    1. Smalt
      ‎#46567b
      ΔE = 4.439 / LRV ≈ 9.4%
  73. Dulux

    1. 70BB 10/275
      ‎#415881
      ΔE = 4.449 / LRV ≈ 9.7%
    2. 91BB 07/263
      ‎#3f486e
      ΔE = 5.238 / LRV ≈ 6.8%
  74. Fender

    1. 02 / Lake Placid Blue
      ‎#3f5c94
      ΔE = 4.534 / LRV ≈ 10.8%
  75. Model Master

    1. Model Master 52922
      ‎#234f84
      ΔE = 4.567 / LRV ≈ 7.6%
  76. Craig & Rose

    1. Don Adriano
      ‎#47567a
      ΔE = 4.624 / LRV ≈ 9.4%
  77. Beckers

    1. Gasoline 787 / 5535-B15G
      ‎#4b5897
      ΔE = 4.653 / LRV ≈ 10.7%
  78. General Paint

    1. Street Alley / CL 2437N
      ‎#54557a
      ΔE = 4.850 / LRV ≈ 9.8%
    2. Queen's Wreath / CL 2387N
      ‎#4c5677
      ΔE = 5.172 / LRV ≈ 9.5%
  79. California Paints

    1. DEA 138 - JaCha
      ‎#324680
      ΔE = 4.867 / LRV ≈ 6.6%
    2. DE 5867 - Tian Tan
      ‎#1d5699
      ΔE = 5.212 / LRV ≈ 9.2%
  80. Australian Standard AS2700

    1. B21 Ultramarine
      ‎#2c5097
      ΔE = 4.893 / LRV ≈ 8.5%
    2. B22 Homebush Blue
      ‎#215096
      ΔE = 5.054 / LRV ≈ 8.3%
  81. Tamiya

    1. Tamiya 80308,XF8
      ‎#284c7c
      ΔE = 5.022 / LRV ≈ 7.1%
  82. KILZ

    1. Atlas Blue / B911
      ‎#3e5982
      ΔE = 5.084 / LRV ≈ 9.8%
  83. Caran d'Ache

    1. 159 Prussian Blue
      ‎#304e96
      ΔE = 5.192 / LRV ≈ 8.3%

محاكاة عمى اللون

Monochromacy

Dichromacy

رؤية ثلاثية الألوان

‎#415185 HTML / CSS أمثلة على الرمز

‎#415185 الصدارة

صلح الديب على الغنم

<p style="color: #415185">…</p>

‎#415185 الخلفية

كل فولة ولها كيال

<p style="background-color: #415185">…</p>

‎#415185 ظل النص

على قدر بساطك مدّ رجليك .

<p style="text-shadow: 0.1em 0.1em 0.15em #415185">…</p>

الرسوم البيانية للون

تحويلات مساحة اللون

عشري
4280709
الثنائية
01000001, 01010001, 10000101
عشري
#415185
LRV
≈ 8.7%
أقرب لون ست عشري قصير
#458 ΔE = 1.624
RGB
rgb(65, 81, 133)
RGBA
rgba(65, 81, 133, 1.0)
rg اللونية
r: 0.233, g: 0.290, b: 0.477
RYB
أحمر: 25.490%, أصفر: 30.570%, أزرق: 52.157%
Android / android.graphics.Color
-12496507 / 0xff415185
HSL
hsl(226, 34%, 39%)
HSLA
hsla(226, 34%, 39%, 1.0)
HSV / HSB
صبغة: 226° (225.882), تشبع: 51% (0.511), قيمة: 52% (0.522)
HSP
صبغة: 225.882, تشبع: 51.128%, السطوع المدركة: 33.116%
HSLuv (HUSL)
H: 258.361, S: 51.636, L: 35.403
Cubehelix
H: -135.813, S: 0.484, L: 0.321
TSL
T: -2.353, S: 0.146, L: 0.322
CMYK
سيان: 51% (0.511), ماجنتي: 39% (0.391), أصفر: 0% (0.000), أسود: 48% (0.478)
CMY
سيان: 75% (0.745), ماجنتي: 68% (0.682), أصفر: 48% (0.478)
XYZ
X: 9.355, Y: 8.702, Z: 23.372
xyY
x: 0.226, y: 0.210, Y: 8.702
CIELab
L: 35.403, a: 9.286, b: -31.124
CIELuv
L: 35.403, u: -9.044, v: -43.909
CIELCH / LCHab
L: 35.403, C: 32.480, H: 286.613
CIELUV / LCHuv
L: 35.403, C: 44.831, H: 258.361
Hunter-Lab
L: 29.498, a: 4.985, b: -26.328
CIECAM02
J: 25.782, C: 37.568, h: 263.002, Q: 100.038, M: 32.853, s: 57.307, H: 312.661
OSA-UCS
خفة: -10.344, أصفر: -5.505, أخضر: 0.577
LMS
L: 6.798, M: 8.331, S: 23.131
YCbCr
Y: 86.563, Cb: 153.196, Cr: 117.284
YCoCg
Y: 90.000, Cg: -9.000, Co: -0.750
YDbDr
Y: 82.144, Db: 76.516, Dr: 32.612
YPbPr
Y: 81.336, Pb: 27.840, Pr: -10.392
xvYCC
Y: 85.853, Cb: 152.456, Cr: 118.871
YIQ
Y: 82.144, I: -26.237, Q: 12.796
YUV
Y: 82.144, U: 25.027, V: -15.041
نظام الألوان مونسل
7.5PB 3/8 ΔE = 2.492
لون العلامة التجارية
Facebook ΔE = 4.009

ألوان عشوائية

أحمر

أخضر

أزرق