Encycolorpedia

‎#025b9f أكواد الألوان الست عشرية

#025b9f Paint Chipالكود اللوني الست عشري‎#025b9f هو ظل متوسط​الإظلام للأزرق سيان.‏ في نموذج RGB للألوان يتكون ‎#025b9f من‎0.78% أحمر، و‎35.69% أخضر، و‎62.35% أزرق. وفي الفضاء اللوني HSL يتكون ‎#025b9f من صبغة لون206 درجة، و ‎98% تشبع، و ‎32% إضاءة. وهذا اللون له طول موجي يبلغ تقريباً 475.93 نانومتر.

الاختلافات اللون

ألوان مسماة

الألوان

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

‎#025b9f انحدار خطي إلى التكميلي ‎#95830c

  1. ‎#025b9f
  2. ‎#47618b
  3. ‎#616776
  4. ‎#726d62
  5. ‎#80744c
  6. ‎#8b7b33
  7. ‎#95830c

ألوان أحادية

  1. ‎#004c8d
  2. ‎#005193
  3. ‎#005699
  4. ‎#025b9f
  5. ‎#1460a5
  6. ‎#2066ab
  7. ‎#296bb1

نغمات

  1. ‎#025b9f
  2. ‎#285992
  3. ‎#385784
  4. ‎#425677
  5. ‎#49546a
  6. ‎#4e525e
  7. ‎#515151

الصبغات والظلال

‎#025b9f إلى الأبيض

  1. ‎#025b9f
  2. ‎#4974af
  3. ‎#728ebf
  4. ‎#96a9cf
  5. ‎#b9c5df
  6. ‎#dce1ef
  7. ‎#ffffff / #fff

‎#025b9f إلى الأسو

  1. ‎#025b9f
  2. ‎#124c83
  3. ‎#173d67
  4. ‎#172f4d
  5. ‎#142134
  6. ‎#0f141e
  7. ‎#000000 / #000

الدهانات

دهانات مماثلة

  1. GM / General Motors

    1. ★ Bright Blue
      ‎#185a9b
      ΔE = 0.801 / LRV ≈ 9.9%
    2. Arrival Blue
      ‎#185f93
      ΔE = 4.666 / LRV ≈ 10.5%
  2. Pantone / PMS

    1. ★ 301
      ‎#00599c
      ΔE = 0.842 / LRV ≈ 9.5%
    2. 2945
      ‎#0057a6
      ΔE = 3.567 / LRV ≈ 9.6%
  3. Tollens

    1. ★ UC024 Bleu Medina
      ‎#04599a
      ΔE = 1.101 / LRV ≈ 9.5%
    2. ★ Indigo | EE106
      ‎#00589a
      ΔE = 1.307 / LRV ≈ 9.3%
  4. Dutch Boy

    1. ★ Mosaic Tiles
      ‎#1c5999
      ΔE = 1.195 / LRV ≈ 9.7%
    2. Cordon Bleu
      ‎#365798
      ΔE = 3.782 / LRV ≈ 9.9%
  5. Games Workshop - Citadel

    1. ★ Drakenhof Nightshade
      ‎#125899
      ΔE = 1.294 / LRV ≈ 9.4%
    2. Altdorf Guard Blue
      ‎#1f56a7
      ΔE = 5.074 / LRV ≈ 9.7%
  6. TRUMATCH

    1. ★ 35-a2
      ‎#0059a1
      ΔE = 1.419 / LRV ≈ 9.7%
    2. ★ 35-b4
      ‎#225e9b
      ΔE = 2.023 / LRV ≈ 10.7%
  7. ICI Paints

    1. ★ 4213 Kingdom 58BB 12/390
      ‎#245b99
      ΔE = 1.463 / LRV ≈ 10.2%
    2. Blue Blood 47BB 14/349
      ‎#226097
      ΔE = 3.739 / LRV ≈ 10.9%
  8. PPG Pittsburgh Paints

    1. ★ Suddenly Sapphire / PPG1242-7
      ‎#1a5897
      ΔE = 1.525 / LRV ≈ 9.4%
    2. ★ Florentine Lapis / PPG1244-7
      ‎#1c5798
      ΔE = 1.783 / LRV ≈ 9.3%
  9. Duron

    1. ★ Hyper Blue
      ‎#005c9b
      ΔE = 1.614 / LRV ≈ 10.0%
    2. Revel Blue
      ‎#465a8c
      ΔE = 5.235 / LRV ≈ 10.5%
  10. Porter Paints

    1. ★ Suddenly Sapphire / 249-7
      ‎#175799
      ΔE = 1.684 / LRV ≈ 9.3%
    2. Cobalt Stone / 149-7
      ‎#0262af
      ΔE = 3.623 / LRV ≈ 11.8%
  11. Behr

    1. ★ Beacon Blue P510-7
      ‎#255c99
      ΔE = 1.692 / LRV ≈ 10.3%
    2. Dark Cobalt Blue PPU15-03
      ‎#32578b
      ΔE = 3.711 / LRV ≈ 9.4%
  12. Testors

    1. ★ Testors 1639
      ‎#00579e
      ΔE = 1.851 / LRV ≈ 9.3%
    2. Testors 1210
      ‎#005db2
      ΔE = 4.757 / LRV ≈ 11.0%
  13. Delta

    1. ★ Blue Bayou / 025880202W
      ‎#005fa7
      ΔE = 1.856 / LRV ≈ 11.0%
    2. Ultra Blue / 020380202W
      ‎#00549a
      ΔE = 2.884 / LRV ≈ 8.7%
  14. Valspar Paint

    1. ★ Blue Ribbon
      ‎#1c589e
      ΔE = 2.039 / LRV ≈ 9.7%
    2. Sky Dive Blue
      ‎#0765af
      ΔE = 4.201 / LRV ≈ 12.4%
  15. Flügger

    1. ★ Dive Hard (IN-792)
      ‎#005d9b
      ΔE = 2.060 / LRV ≈ 10.2%
  16. Sigma

    1. ★ Cool Blue / S 3560-R80B
      ‎#1c5794
      ΔE = 2.076 / LRV ≈ 9.2%
    2. Cool Blue / S 4050-R80B
      ‎#2c5b8f
      ΔE = 3.463 / LRV ≈ 10.0%
  17. Focoltone

    1. ★ 1093
      ‎#005f9f
      ΔE = 2.087 / LRV ≈ 10.7%
    2. 2278
      ‎#00639b
      ΔE = 5.089 / LRV ≈ 11.3%
  18. Natural Color System / NCS

    1. ★ S 3050-R90B
      ‎#285e9c
      ΔE = 2.090 / LRV ≈ 10.9%
    2. S 4040-R90B
      ‎#305483
      ΔE = 5.115 / LRV ≈ 8.6%
  19. California Paints

    1. ★ DE 5867 - Tian Tan
      ‎#1d5699
      ΔE = 2.274 / LRV ≈ 9.2%
    2. DE 5846 - Samoa
      ‎#165d95
      ΔE = 3.248 / LRV ≈ 10.2%
  20. Dunn-Edwards

    1. ★ Blue Chip / 53
      ‎#1d5699
      ΔE = 2.274 / LRV ≈ 9.2%
    2. Lapis / 46
      ‎#165d95
      ΔE = 3.248 / LRV ≈ 10.2%
  21. RAL

    1. ★ RAL 280 40 45
      ‎#1e5da5
      ΔE = 2.298 / LRV ≈ 10.8%
    2. RAL 640-5
      ‎#00548a
      ΔE = 4.903 / LRV ≈ 8.2%
  22. Toyo Ink

    1. CF10406
      ‎#0062a9
      ΔE = 2.809 / LRV ≈ 11.6%
    2. CF10432
      ‎#005cae
      ΔE = 3.915 / LRV ≈ 10.7%
  23. Audi

    1. Summerblau / E1E1, LA5F
      ‎#1a61a8
      ΔE = 2.834 / LRV ≈ 11.6%
    2. Nogaro Blue Pearl/Nogaroblau Pearl / 9941, LZ5M, M8, M8M8
      ‎#165193
      ΔE = 4.005 / LRV ≈ 8.2%
  24. Volkswagen

    1. Monza Blue
      ‎#2d5c93
      ΔE = 2.873 / LRV ≈ 10.3%
    2. Pastel Blue
      ‎#3065ac
      ΔE = 5.085 / LRV ≈ 12.9%
  25. Pratt & Lambert

    1. Ethereal 27-15
      ‎#275590
      ΔE = 2.988 / LRV ≈ 8.9%
    2. Gloxinia 28-12
      ‎#3a5794
      ΔE = 3.952 / LRV ≈ 9.9%
  26. Disney

    1. 3C-20-4 Infinity and Beyond
      ‎#335b92
      ΔE = 3.008 / LRV ≈ 10.3%
    2. 3B-40 Galactic Sky
      ‎#175d95
      ΔE = 3.215 / LRV ≈ 10.2%
  27. Caparol

    1. 60 21 240 / Pacific 170
      ‎#00549c
      ΔE = 3.080 / LRV ≈ 8.7%
    2. 60 11 240 / Pacific 110
      ‎#386094
      ΔE = 4.239 / LRV ≈ 11.3%
  28. Olympic

    1. Bright Cerulean B48-6
      ‎#2f5e95
      ΔE = 3.170 / LRV ≈ 10.8%
    2. Crushed Velvet A46-6
      ‎#3b5a94
      ΔE = 3.589 / LRV ≈ 10.4%
  29. Nippon Paint

    1. Blue Lighting / NP AC 2098 A
      ‎#1b62a0
      ΔE = 3.174 / LRV ≈ 11.5%
    2. Electrify / NP AC 2097 A
      ‎#0067a9
      ΔE = 4.810 / LRV ≈ 12.6%
  30. Model Master

    1. Model Master 2947
      ‎#265e95
      ΔE = 3.201 / LRV ≈ 10.6%
    2. Model Master 28130
      ‎#27578a
      ΔE = 3.978 / LRV ≈ 9.1%
  31. Peintures MF

    1. Delph
      ‎#1463a8
      ΔE = 3.234 / LRV ≈ 11.9%
    2. Bleu Mali
      ‎#385ea0
      ΔE = 3.789 / LRV ≈ 11.4%
  32. FolkArt

    1. True Blue / 401
      ‎#2a5491
      ΔE = 3.321 / LRV ≈ 8.9%
    2. Cobalt Blue / 720
      ‎#2a508f
      ΔE = 4.773 / LRV ≈ 8.2%
  33. Jedynka

    1. Tenger Kék
      ‎#005a93
      ΔE = 3.351 / LRV ≈ 9.4%
  34. Humbrol

    1. 14 French Blue
      ‎#005dad
      ΔE = 3.408 / LRV ≈ 10.8%
    2. 14 French Blue
      ‎#015cad
      ΔE = 3.659 / LRV ≈ 10.7%
  35. Rodda Paint

    1. Glacier Bay H54
      ‎#005c95
      ΔE = 3.428 / LRV ≈ 9.8%
  36. Colortrend

    1. Glacier Bay
      ‎#005c95
      ΔE = 3.428 / LRV ≈ 9.8%
    2. 0641
      ‎#345392
      ΔE = 4.415 / LRV ≈ 9.0%
  37. Ressource Peintures

    1. Pale Nankin Blue / HC29
      ‎#375f9d
      ΔE = 3.453 / LRV ≈ 11.4%
    2. Orange Bleue / SL31
      ‎#1f508b
      ΔE = 4.634 / LRV ≈ 7.9%
  38. Nerolac

    1. Mali Opal - 4242
      ‎#33619e
      ΔE = 3.508 / LRV ≈ 11.7%
  39. Chrysler

    1. Regatta Blue
      ‎#2f60a5
      ΔE = 3.524 / LRV ≈ 11.7%
    2. Medium Blue
      ‎#1c518f
      ΔE = 4.081 / LRV ≈ 8.1%
  40. Glidden

    1. Rave Regatta / PPG1239-7
      ‎#00619d
      ΔE = 3.561 / LRV ≈ 11.0%
    2. Teeny Bikini / PPG1162-6
      ‎#326395
      ΔE = 5.249 / LRV ≈ 11.8%
  41. Benjamin Moore

    1. Brilliant Blue / 2065-30
      ‎#0164a7
      ΔE = 3.583 / LRV ≈ 11.9%
    2. Ol' Blue Eyes / 2064-30
      ‎#0163a1
      ΔE = 3.781 / LRV ≈ 11.5%
  42. Taubmans

    1. Crushed Velvet / T12 39.H5
      ‎#3a5e96
      ΔE = 3.638 / LRV ≈ 11.1%
    2. Blast Blue / T12 40.H4
      ‎#17659f
      ΔE = 4.880 / LRV ≈ 12.0%
  43. Bristol

    1. Crushed Velvet / P107-C6
      ‎#3a5e96
      ΔE = 3.638 / LRV ≈ 11.1%
    2. Blast Blue / P109-C7
      ‎#17659f
      ΔE = 4.880 / LRV ≈ 12.0%
  44. Levis

    1. Clear Purple A80
      ‎#3061a5
      ΔE = 3.691 / LRV ≈ 11.9%
    2. Kleur Van Het Jaar Inktblauw
      ‎#2866ac
      ΔE = 4.866 / LRV ≈ 12.9%
  45. Brillux

    1. 57.21.27
      ‎#3a5f99
      ΔE = 3.703 / LRV ≈ 11.4%
    2. 57.18.27
      ‎#2d5085
      ΔE = 5.243 / LRV ≈ 8.0%
  46. Sikkens

    1. U5.44.35
      ‎#1e63ab
      ΔE = 3.723 / LRV ≈ 12.1%
    2. V0.40.30
      ‎#375393
      ΔE = 4.788 / LRV ≈ 9.1%
  47. Dulux Australia

    1. Blue Regent / A361
      ‎#285d91
      ΔE = 3.735 / LRV ≈ 10.3%
    2. International / A374
      ‎#3766a5
      ΔE = 5.236 / LRV ≈ 13.0%
  48. Kelly-Moore

    1. Cascade Twilight / KM3136-5
      ‎#2e5495
      ΔE = 3.737 / LRV ≈ 9.1%
  49. Waverly

    1. Ocean / 60686E / 60891E
      ‎#18578d
      ΔE = 3.738 / LRV ≈ 8.9%
  50. Earthpaint

    1. 1-37-7 Angelic Blue
      ‎#3c5994
      ΔE = 3.827 / LRV ≈ 10.2%
    2. 2-37-6 Blue Spell
      ‎#455e96
      ΔE = 4.924 / LRV ≈ 11.5%
  51. Vallejo

    1. Vallejo 70.736 #209
      ‎#375694
      ΔE = 3.853 / LRV ≈ 9.6%
    2. Vallejo 70.841 #65
      ‎#3565a2
      ΔE = 4.789 / LRV ≈ 12.7%
  52. Matthews Paint

    1. Belize Blue / 359
      ‎#27588b
      ΔE = 3.884 / LRV ≈ 9.3%
    2. Mid Blue / 10452
      ‎#33518f
      ΔE = 4.923 / LRV ≈ 8.6%
  53. Evonik-Degussa

    1. 283A Blue Ribbon
      ‎#32629b
      ΔE = 3.939 / LRV ≈ 11.8%
    2. 241A Porcelain Blue
      ‎#035589
      ΔE = 5.195 / LRV ≈ 8.3%
  54. Homebase

    1. Lapis Blue
      ‎#35629d
      ΔE = 3.943 / LRV ≈ 11.9%
  55. Dulux

    1. Sapphire Springs 2
      ‎#1d598d
      ΔE = 3.950 / LRV ≈ 9.3%
    2. 50BB 11/321
      ‎#33608f
      ΔE = 5.161 / LRV ≈ 11.1%
  56. Asian Paints

    1. Twilight Zone / 7325
      ‎#335492
      ΔE = 3.966 / LRV ≈ 9.1%
    2. Ocean Force / X146
      ‎#285c8b
      ΔE = 4.998 / LRV ≈ 10.0%
  57. Abet Laminati

    1. Blu Cobalto 851
      ‎#0763b0
      ΔE = 3.972 / LRV ≈ 12.1%
    2. Blu Faenza 859
      ‎#004f92
      ΔE = 4.795 / LRV ≈ 7.7%
  58. Albany Paint

    1. Blue Bayou
      ‎#005990
      ΔE = 3.994 / LRV ≈ 9.2%
  59. Resene

    1. Splish Splash B48-102-250
      ‎#29598b
      ΔE = 4.025 / LRV ≈ 9.5%
  60. Fender

    1. 02 / Lake Placid Blue
      ‎#3f5c94
      ΔE = 4.049 / LRV ≈ 10.8%
  61. Sherwin-Williams

    1. Hyper Blue - 6965
      ‎#015f97
      ΔE = 4.127 / LRV ≈ 10.4%
    2. Frank Blue - 6967
      ‎#225288
      ΔE = 4.531 / LRV ≈ 8.2%
  62. Clark+Kensington

    1. Blazing Blue / 37D-5
      ‎#34569a
      ΔE = 4.135 / LRV ≈ 9.7%
    2. Work of Art / 36D-5
      ‎#044f91
      ΔE = 4.790 / LRV ≈ 7.7%
  63. Cloverdale Paint

    1. Evening In Paris / 7269
      ‎#315889
      ΔE = 4.153 / LRV ≈ 9.4%
    2. Cascade Twilight / 7325
      ‎#2a6094
      ΔE = 4.228 / LRV ≈ 11.0%
  64. Opaltone / OMS

    1. 6593
      ‎#366094
      ΔE = 4.182 / LRV ≈ 11.3%
    2. 6587
      ‎#3d5388
      ΔE = 5.208 / LRV ≈ 9.0%
  65. Vallejo Model Color

    1. Dark Blue (930)
      ‎#31639c
      ΔE = 4.208 / LRV ≈ 12.0%
  66. Vallejo Game Color

    1. Magic Blue (021)
      ‎#31639c
      ΔE = 4.208 / LRV ≈ 12.0%
  67. Rackham

    1. Ephren Blue (4)
      ‎#31639c
      ΔE = 4.208 / LRV ≈ 12.0%
  68. Old Citadel

    1. Enchanted Blue
      ‎#31639c
      ΔE = 4.208 / LRV ≈ 12.0%
  69. Reaper Master

    1. Cyan Blue (9117)
      ‎#31639c
      ΔE = 4.208 / LRV ≈ 12.0%
  70. Afnor

    1. Bleu Clair Mat / 2570
      ‎#235a8c
      ΔE = 4.260 / LRV ≈ 9.6%
  71. AMC

    1. Jetset Blue
      ‎#265d8f
      ΔE = 4.345 / LRV ≈ 10.2%
    2. Montana Blue
      ‎#18588b
      ΔE = 4.501 / LRV ≈ 9.0%
  72. Diamond Vogel

    1. Dancing Sea / 0641
      ‎#345392
      ΔE = 4.415 / LRV ≈ 9.0%
  73. ECOS Paints

    1. Dancing Sea (0641)
      ‎#345392
      ΔE = 4.415 / LRV ≈ 9.0%
  74. Ford

    1. Bay Roc Blue
      ‎#395888
      ΔE = 4.465 / LRV ≈ 9.6%
    2. Blue Starfire
      ‎#325fab
      ΔE = 4.938 / LRV ≈ 11.8%
  75. Laura Ashley

    1. 1506 Sapphire 6
      ‎#39548b
      ΔE = 4.487 / LRV ≈ 9.1%
  76. Devoe Paint

    1. Kingdom / 58BB 12/390
      ‎#35639a
      ΔE = 4.515 / LRV ≈ 12.0%
  77. Graham & Brown

    1. Blue Suede Shoe
      ‎#1e6094
      ΔE = 4.634 / LRV ≈ 10.8%
  78. CIL

    1. Blazer Blue
      ‎#215889
      ΔE = 4.673 / LRV ≈ 9.1%
    2. Sapphire
      ‎#385f8f
      ΔE = 4.726 / LRV ≈ 11.0%
  79. Coronado Paint

    1. 7325 - Cascade Twilight
      ‎#235187
      ΔE = 4.815 / LRV ≈ 8.0%
  80. Plascon

    1. Sporty Blue B2-A1-2
      ‎#00508c
      ΔE = 4.851 / LRV ≈ 7.6%
  81. Kansai Paint

    1. Exciting Blue
      ‎#385d8b
      ΔE = 4.869 / LRV ≈ 10.5%
  82. Australian Standard AS2700

    1. B22 Homebush Blue
      ‎#215096
      ΔE = 4.886 / LRV ≈ 8.3%
    2. B23 Bright Blue
      ‎#174f89
      ΔE = 5.150 / LRV ≈ 7.6%
  83. Sto

    1. 35140
      ‎#336192
      ΔE = 4.935 / LRV ≈ 11.3%
  84. Kaessbohrer

    1. Blau / 5285
      ‎#0153a4
      ΔE = 4.991 / LRV ≈ 8.9%
  85. Lascaux

    1. Phthalo blue deep / 145
      ‎#2b4f8e
      ΔE = 5.192 / LRV ≈ 8.1%
  86. General Paint

    1. Louissa / CL 2287N
      ‎#2d6498
      ΔE = 5.234 / LRV ≈ 11.9%
  87. Otokar

    1. Scania Blue 1511645 / M151542
      ‎#004e93
      ΔE = 5.234 / LRV ≈ 7.6%
  88. Loop

    1. Sao Paulo / LP-379
      ‎#1652a1
      ΔE = 5.235 / LRV ≈ 8.8%

محاكاة عمى اللون

Monochromacy

Dichromacy

رؤية ثلاثية الألوان

‎#025b9f HTML / CSS أمثلة على الرمز

‎#025b9f الصدارة

سكتنا له دخل بحماره حتى البردعة شلناها له

<p style="color: #025b9f">…</p>

‎#025b9f الخلفية

عند جهينة الخبر اليقين.

<p style="background-color: #025b9f">…</p>

‎#025b9f ظل النص

من لا تقاضى حي يقمح ليا مات.

<p style="text-shadow: 0.1em 0.1em 0.15em #025b9f">…</p>

الرسوم البيانية للون

تحويلات مساحة اللون

عشري
154527
الثنائية
00000010, 01011011, 10011111
عشري
#025b9f
LRV
≈ 10.0%
أقرب لون ست عشري قصير
#059 ΔE = 2.390
RGB
rgb(2, 91, 159)
RGBA
rgba(2, 91, 159, 1.0)
rg اللونية
r: 0.008, g: 0.361, b: 0.631
RYB
أحمر: 0.784%, أصفر: 23.059%, أزرق: 62.353%
Android / android.graphics.Color
-16622689 / 0xff025b9f
HSL
hsl(206, 98%, 32%)
HSLA
hsla(206, 98%, 32%, 1.0)
HSV / HSB
صبغة: 206° (205.987), تشبع: 99% (0.987), قيمة: 62% (0.624)
HSP
صبغة: 205.987, تشبع: 98.742%, السطوع المدركة: 34.510%
HSLuv (HUSL)
H: 250.232, S: 99.575, L: 37.837
Cubehelix
H: -158.731, S: 1.099, L: 0.281
TSL
T: -2.084, S: 0.438, L: 0.283
CMYK
سيان: 99% (0.987), ماجنتي: 43% (0.428), أصفر: 0% (0.000), أسود: 38% (0.376)
CMY
سيان: 99% (0.992), ماجنتي: 64% (0.643), أصفر: 38% (0.376)
XYZ
X: 10.022, Y: 9.997, Z: 34.196
xyY
x: 0.185, y: 0.184, Y: 9.997
CIELab
L: 37.837, a: 4.158, b: -43.124
CIELuv
L: 37.837, u: -22.215, v: -61.813
CIELCH / LCHab
L: 37.837, C: 43.324, H: 275.507
CIELUV / LCHuv
L: 37.837, C: 65.683, H: 250.232
Hunter-Lab
L: 31.618, a: 1.247, b: -41.991
CIECAM02
J: 27.090, C: 52.813, h: 246.875, Q: 102.545, M: 46.184, s: 67.110, H: 304.466
OSA-UCS
خفة: -10.414, أصفر: -7.584, أخضر: 3.089
LMS
L: 6.085, M: 10.127, S: 33.794
YCbCr
Y: 77.960, Cb: 171.024, Cr: 84.101
YCoCg
Y: 85.750, Cg: 5.250, Co: -38.750
YDbDr
Y: 72.141, Db: 130.694, Dr: 133.393
YPbPr
Y: 76.939, Pb: 44.235, Pr: -47.628
xvYCC
Y: 82.077, Cb: 166.857, Cr: 86.162
YIQ
Y: 72.141, I: -74.865, Q: 2.338
YUV
Y: 72.141, U: 42.743, V: -61.536
نظام الألوان مونسل
5PB 3/10 ΔE = 4.351
لون العلامة التجارية
AOL ΔE = 2.032

ألوان عشوائية

أحمر

أخضر

أزرق