Encycolorpedia

‎#a7c2eb أكواد الألوان الست عشرية

دهانات مطابقة دقيقة:

#a7c2eb Paint Chipالكود اللوني الست عشري‎#a7c2eb هو ظل مضيء للأزرق سيان.‏ في نموذج RGB للألوان يتكون ‎#a7c2eb من‎65.49% أحمر، و‎76.08% أخضر، و‎92.16% أزرق. وفي الفضاء اللوني HSL يتكون ‎#a7c2eb من صبغة لون216 درجة، و ‎63% تشبع، و ‎79% إضاءة. وهذا اللون له طول موجي يبلغ تقريباً 477.11 نانومتر.

الاختلافات اللون

ألوان مسماة

الألوان

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

‎#a7c2eb انحدار خطي إلى التكميلي ‎#ded2b4

  1. ‎#a7c2eb
  2. ‎#b2c5e2
  3. ‎#bcc7d9
  4. ‎#c6cad0
  5. ‎#ceccc7
  6. ‎#d6cfbd
  7. ‎#ded2b4

ألوان أحادية

  1. ‎#829dc5
  2. ‎#8ea9d1
  3. ‎#9bb6de
  4. ‎#a7c2eb
  5. ‎#b4cff8
  6. ‎#c0dbff
  7. ‎#cde8ff

نغمات

  1. ‎#a7c2eb
  2. ‎#adc3e5
  3. ‎#b4c4e0
  4. ‎#b9c5da
  5. ‎#bfc7d4
  6. ‎#c4c8cf
  7. ‎#c9c9c9

الصبغات والظلال

‎#a7c2eb إلى الأبيض

  1. ‎#a7c2eb
  2. ‎#b6ccee
  3. ‎#c5d6f2
  4. ‎#d4e0f5
  5. ‎#e2eaf8
  6. ‎#f1f5fc
  7. ‎#ffffff / #fff

‎#a7c2eb إلى الأسو

  1. ‎#a7c2eb
  2. ‎#899fc0
  3. ‎#6c7d96
  4. ‎#515c6e
  5. ‎#373e49
  6. ‎#1f2227
  7. ‎#000000 / #000

الدهانات

دهانات مطابقة دقيقة

دهانات مماثلة

  1. Caparol

    1. ★ 43/06
      ‎#a8c0e8
      ΔE = 0.834 / LRV ≈ 51.8%
    2. 85 5 246 / Lago 60
      ‎#b0c4e4
      ΔE = 2.673 / LRV ≈ 54.3%
  2. Berger

    1. ★ Morning Sky / 7249
      ‎#acc1e6
      ΔE = 1.409 / LRV ≈ 52.6%
    2. Berry Blush / 7217
      ‎#bbc0e6
      ΔE = 5.038 / LRV ≈ 54.0%
  3. Vista Paint

    1. ★ Morning Sky
      ‎#acc1e6
      ΔE = 1.409 / LRV ≈ 52.6%
    2. Scuba Blue
      ‎#a7bdde
      ΔE = 2.769 / LRV ≈ 49.9%
  4. Scib Paints

    1. ★ Morning Sky / 7249
      ‎#acc1e6
      ΔE = 1.409 / LRV ≈ 52.6%
    2. Scuba Blue / 7273
      ‎#a7bdde
      ΔE = 2.769 / LRV ≈ 49.9%
  5. Colortrend

    1. ★ 0603
      ‎#acc1e5
      ΔE = 1.567 / LRV ≈ 52.6%
    2. 0594
      ‎#b6c7e2
      ΔE = 4.394 / LRV ≈ 56.3%
  6. Opaltone / OMS

    1. ★ 6016
      ‎#abc2e5
      ΔE = 1.643 / LRV ≈ 52.9%
    2. 6015
      ‎#bac8e6
      ΔE = 4.436 / LRV ≈ 57.5%
  7. Pantone / PMS

    1. ★ 2717 C
      ‎#a7c6ed
      ΔE = 1.704 / LRV ≈ 54.7%
    2. 283 U
      ‎#9bc7ee
      ΔE = 3.968 / LRV ≈ 54.0%
  8. TRUMATCH

    1. ★ 34-e
      ‎#a2bee3
      ΔE = 2.078 / LRV ≈ 50.1%
    2. 34-e1
      ‎#9cb7db
      ΔE = 4.399 / LRV ≈ 46.0%
  9. Duron

    1. ★ Blue Beyond
      ‎#a2c0e4
      ΔE = 2.156 / LRV ≈ 51.0%
    2. Regale Blue
      ‎#8dbce8
      ΔE = 4.988 / LRV ≈ 47.5%
  10. Kelly-Moore

    1. ★ Prince Charming / KM3101-2
      ‎#a6bce3
      ΔE = 2.182 / LRV ≈ 49.6%
    2. Washed Indigo / KM3109-2
      ‎#a6bbda
      ΔE = 3.647 / LRV ≈ 48.7%
  11. Resene

    1. ★ Time Out B82-036-253
      ‎#aac2e3
      ΔE = 2.201 / LRV ≈ 52.7%
    2. Oxymoron B81-044-248
      ‎#9cbfe3
      ΔE = 3.253 / LRV ≈ 49.9%
  12. Asian Paints

    1. ★ Pristine Blue / 9169
      ‎#a1bee3
      ΔE = 2.214 / LRV ≈ 49.9%
    2. Scuba Blue / 7273
      ‎#a5bbda
      ΔE = 3.690 / LRV ≈ 48.6%
  13. Pratt & Lambert

    1. Twitlight Chimes 28-4
      ‎#a6bce1
      ΔE = 2.340 / LRV ≈ 49.5%
  14. Olympic

    1. Vivacious Violet A46-3
      ‎#a6bee0
      ΔE = 2.397 / LRV ≈ 50.3%
    2. Charisma A47-3
      ‎#a0bfe1
      ΔE = 3.040 / LRV ≈ 50.2%
  15. Focoltone

    1. 1049
      ‎#a2c3e7
      ΔE = 2.405 / LRV ≈ 52.5%
  16. Clark+Kensington

    1. Under the Sea / KIDCC-45
      ‎#abbee0
      ΔE = 2.429 / LRV ≈ 50.9%
    2. Urban Jungle / 38B-3
      ‎#acbed5
      ΔE = 5.108 / LRV ≈ 50.4%
  17. Benjamin Moore

    1. Swiss Blue / 815
      ‎#a4c2e4
      ΔE = 2.510 / LRV ≈ 52.1%
    2. Oriental Iris / 1418
      ‎#b5beda
      ΔE = 4.625 / LRV ≈ 51.7%
  18. Nerolac

    1. Always Blue - 2374
      ‎#a3c1e3
      ΔE = 2.588 / LRV ≈ 51.5%
    2. Connoisseur Blue - 4236
      ‎#a4b8d9
      ΔE = 4.088 / LRV ≈ 47.2%
  19. Tikkurila

    1. X351
      ‎#a8c1e1
      ΔE = 2.593 / LRV ≈ 51.9%
    2. H355
      ‎#97bee2
      ΔE = 4.221 / LRV ≈ 48.9%
  20. Limestrong

    1. Marine Shade D
      ‎#a5bfe0
      ΔE = 2.629 / LRV ≈ 50.6%
  21. Coronado Paint

    1. 7249 - Morning Sky
      ‎#a4c1e2
      ΔE = 2.738 / LRV ≈ 51.5%
    2. 7217 - Berry Blush
      ‎#b2bfe1
      ΔE = 3.173 / LRV ≈ 52.2%
  22. ProMarker

    1. Cornflower
      ‎#aebee0
      ΔE = 2.748 / LRV ≈ 51.2%
  23. Valspar Paint

    1. July Sky
      ‎#a6c1e1
      ΔE = 2.786 / LRV ≈ 51.7%
    2. Brush Stroke R170D
      ‎#b3c5e1
      ΔE = 3.814 / LRV ≈ 55.0%
  24. California Paints

    1. DE 5863 - Sail to the Sea
      ‎#99c3f0
      ΔE = 2.861 / LRV ≈ 52.1%
    2. DE 5905 - Larkspur Bud
      ‎#b7c0ea
      ΔE = 4.301 / LRV ≈ 53.7%
  25. Dunn-Edwards

    1. Sail to the Sea / 824
      ‎#99c3f0
      ΔE = 2.861 / LRV ≈ 52.1%
    2. Afternoon Sky / 1092
      ‎#b0c6df
      ΔE = 4.682 / LRV ≈ 54.9%
  26. Diamond Vogel

    1. Sail into the Horizon / 0595
      ‎#a9bddd
      ΔE = 2.970 / LRV ≈ 50.0%
    2. Babbling Creek / 0588
      ‎#abbbd4
      ΔE = 4.947 / LRV ≈ 49.0%
  27. Sigma

    1. Cool Blue / S 1040-R80B
      ‎#98c2ee
      ΔE = 2.975 / LRV ≈ 51.4%
    2. Mistic Purple / S 1040-R70B
      ‎#a4bcef
      ΔE = 3.664 / LRV ≈ 50.1%
  28. Nippon Paint

    1. Night Drizzle / NP PB 1504 P
      ‎#a4badf
      ΔE = 2.980 / LRV ≈ 48.3%
    2. Blue Rhythm / NP PB 1528 P
      ‎#99c1e4
      ΔE = 4.189 / LRV ≈ 50.5%
  29. CIL

    1. Roslyn's Blue
      ‎#acbddd
      ΔE = 3.092 / LRV ≈ 50.4%
    2. Blue Collar
      ‎#98c0e0
      ΔE = 5.095 / LRV ≈ 49.8%
  30. Ressource Peintures

    1. Bleu Averse / I38
      ‎#b0c1df
      ΔE = 3.161 / LRV ≈ 52.7%
    2. Bleu Nuage / S06
      ‎#b4bfdb
      ΔE = 4.272 / LRV ≈ 52.1%
  31. Plascon

    1. Dreamcatcher B4-B2-2
      ‎#98bce8
      ΔE = 3.163 / LRV ≈ 48.5%
    2. Graaf Reniet B3-C2-3
      ‎#acc8e8
      ΔE = 3.396 / LRV ≈ 55.9%
  32. AMC

    1. Diamond Blue
      ‎#9fc3e6
      ΔE = 3.243 / LRV ≈ 52.1%
  33. Dulux

    1. 49BB 51/186
      ‎#aabedc
      ΔE = 3.271 / LRV ≈ 50.5%
    2. 48BB 56/162
      ‎#b4c6e0
      ΔE = 4.410 / LRV ≈ 55.5%
  34. Levis

    1. Clear Purple A40
      ‎#abbcdc
      ΔE = 3.274 / LRV ≈ 49.8%
    2. Clear Blue C30
      ‎#a1c0dc
      ΔE = 4.682 / LRV ≈ 50.4%
  35. Albany Paint

    1. Bluebird
      ‎#aac4e2
      ΔE = 3.282 / LRV ≈ 53.5%
    2. Blue Horizon
      ‎#a9b9db
      ΔE = 3.772 / LRV ≈ 48.2%
  36. Zoffany

    1. Porcelain
      ‎#aec3e0
      ΔE = 3.301 / LRV ≈ 53.4%
  37. Earthpaint

    1. 1-37-3 Blue Lupine
      ‎#a2bcdc
      ΔE = 3.527 / LRV ≈ 48.8%
    2. 1-36-3 Queenscliff
      ‎#9dbfde
      ΔE = 4.398 / LRV ≈ 49.7%
  38. KILZ

    1. Delicate Blue / B881
      ‎#a2bcdc
      ΔE = 3.527 / LRV ≈ 48.8%
    2. April Morning / B801
      ‎#b8c5e3
      ΔE = 4.022 / LRV ≈ 55.7%
  39. Porter Paints

    1. Baby Bunting / 148-3
      ‎#aac9ea
      ΔE = 3.594 / LRV ≈ 56.3%
    2. Lilac Sachet / 246-4
      ‎#abb6d8
      ΔE = 5.004 / LRV ≈ 47.1%
  40. Matthews Paint

    1. Baby Boy Blue / 344
      ‎#a3bbdb
      ΔE = 3.596 / LRV ≈ 48.4%
    2. Calm Blue / 894
      ‎#bac3eb
      ΔE = 4.376 / LRV ≈ 55.5%
  41. Crown Paint

    1. Lupin
      ‎#a0b8de
      ΔE = 3.635 / LRV ≈ 47.0%
    2. Blue Light
      ‎#b2c8e0
      ΔE = 5.206 / LRV ≈ 56.2%
  42. Brighto Paints

    1. 2-37-3 Northern Sky
      ‎#afc9e8
      ΔE = 3.748 / LRV ≈ 56.7%
    2. 2-39-3 Light Grape
      ‎#b8c3e2
      ΔE = 4.010 / LRV ≈ 54.7%
  43. Cloverdale Paint

    1. Berry Blush / 7217
      ‎#b8c6e6
      ΔE = 3.795 / LRV ≈ 56.3%
    2. Prince Charming / 7248
      ‎#99bae0
      ΔE = 3.843 / LRV ≈ 47.3%
  44. Rodda Paint

    1. Berry Blush 7217
      ‎#b8c6e6
      ΔE = 3.795 / LRV ≈ 56.3%
    2. Morning Sky 7249
      ‎#b0ccea
      ΔE = 4.750 / LRV ≈ 58.4%
  45. ICI Paints

    1. 4183 Dusky Lilac 48BB 56/162
      ‎#aec1dc
      ΔE = 3.824 / LRV ≈ 52.3%
    2. Roslyn's Blue 49BB 51/186
      ‎#a4b9d8
      ΔE = 4.169 / LRV ≈ 47.5%
  46. Behr

    1. Parisian Sky FF88-3
      ‎#a4c1de
      ΔE = 3.980 / LRV ≈ 51.3%
    2. Paradise NEKB-31
      ‎#aec8e3
      ΔE = 4.579 / LRV ≈ 55.9%
  47. Brillux

    1. 54.15.12
      ‎#b9c5e5
      ΔE = 3.988 / LRV ≈ 55.9%
    2. 60.15.12
      ‎#b0c9e2
      ΔE = 5.221 / LRV ≈ 56.5%
  48. Ford

    1. Athenian Gray
      ‎#b7c5e2
      ΔE = 4.015 / LRV ≈ 55.5%
    2. Biltmore Blue
      ‎#a2c5e1
      ΔE = 5.118 / LRV ≈ 53.0%
  49. Chrysler

    1. Gray
      ‎#b7c5e2
      ΔE = 4.015 / LRV ≈ 55.5%
    2. Wisteria Blue
      ‎#a3bad5
      ΔE = 4.969 / LRV ≈ 47.7%
  50. Laura Ashley

    1. 1503 Sapphire 3
      ‎#a6beda
      ΔE = 4.033 / LRV ≈ 50.0%
    2. 47-22 Story Book
      ‎#abbad7
      ΔE = 4.314 / LRV ≈ 48.7%
  51. Bristol

    1. Blue Purple / P111-C3
      ‎#a1c0de
      ΔE = 4.061 / LRV ≈ 50.5%
    2. Canterbury Bells / P106-C3
      ‎#b5bede
      ΔE = 4.174 / LRV ≈ 51.9%
  52. Green Planet Paints

    1. Lupine
      ‎#adc6fb
      ΔE = 4.107 / LRV ≈ 56.2%
  53. Evonik-Degussa

    1. 7201P Lilac Frost
      ‎#aec3dd
      ΔE = 4.151 / LRV ≈ 53.2%
    2. 7191P Faded Violet
      ‎#b5bfd7
      ΔE = 5.124 / LRV ≈ 52.0%
  54. Crown Diamond

    1. 7353-31 Morning Smile
      ‎#a4b9d8
      ΔE = 4.169 / LRV ≈ 47.5%
    2. 7327-31 Jasper Blue
      ‎#98b9da
      ΔE = 5.044 / LRV ≈ 46.4%
  55. Taubmans

    1. Canterbury Bells / T12 38.D2
      ‎#b5bede
      ΔE = 4.174 / LRV ≈ 51.9%
    2. Bluebird Song / T12 39.D3
      ‎#aac7e1
      ΔE = 5.024 / LRV ≈ 54.8%
  56. Devoe Paint

    1. Dusty Lilac
      ‎#b6c6e1
      ΔE = 4.308 / LRV ≈ 55.8%
    2. Roslyn's Blue / 49BB 51/186
      ‎#aebdd6
      ΔE = 4.681 / LRV ≈ 50.2%
  57. Flügger

    1. Klassicisme: Berlinerblå (No.14)
      ‎#b6c6e1
      ΔE = 4.308 / LRV ≈ 55.8%
  58. Dulux Australia

    1. Breezy / A375
      ‎#aecbea
      ΔE = 4.345 / LRV ≈ 57.6%
    2. Radar / A378
      ‎#b6cae4
      ΔE = 5.053 / LRV ≈ 57.8%
  59. Jotun

    1. 4165 / Spa
      ‎#a6c4e0
      ΔE = 4.353 / LRV ≈ 53.0%
  60. New Look

    1. Believe in Miracles / E22-02
      ‎#9fc3e2
      ΔE = 4.384 / LRV ≈ 51.9%
    2. Precious Orchid / F30-08
      ‎#b3c1d9
      ΔE = 4.744 / LRV ≈ 52.7%
  61. Wattyl

    1. Dream Space / E22W
      ‎#9fc3e2
      ΔE = 4.384 / LRV ≈ 51.9%
    2. Sky Blume / D77W
      ‎#b3c1d9
      ΔE = 4.744 / LRV ≈ 52.7%
  62. ECOS Paints

    1. Simply Sparkling (0594)
      ‎#b6c7e2
      ΔE = 4.394 / LRV ≈ 56.3%
    2. Babbling Creek (0588)
      ‎#abbbd4
      ΔE = 4.947 / LRV ≈ 49.0%
  63. Tollens

    1. T2008-1
      ‎#abb9d7
      ΔE = 4.421 / LRV ≈ 48.3%
    2. T2011-4
      ‎#aac0d8
      ΔE = 4.871 / LRV ≈ 51.2%
  64. Natural Color System / NCS

    1. S 1030-R90B
      ‎#93bbe3
      ΔE = 4.422 / LRV ≈ 47.3%
    2. S 1020-R80B
      ‎#b9cae4
      ΔE = 5.181 / LRV ≈ 58.2%
  65. Habitat

    1. Sky
      ‎#9dc1e0
      ΔE = 4.516 / LRV ≈ 50.7%
  66. General Paint

    1. Maniac Mauve / CL 2424W
      ‎#b5bcdc
      ΔE = 4.713 / LRV ≈ 51.0%
    2. Mosaic / CL 2372W
      ‎#b2c2d9
      ΔE = 4.929 / LRV ≈ 53.1%
  67. Sikkens

    1. T2.17.69
      ‎#9ebedb
      ΔE = 4.798 / LRV ≈ 49.2%
    2. T0.20.70
      ‎#9ac2e2
      ΔE = 4.895 / LRV ≈ 50.9%
  68. Glidden

    1. Sweet Dreams / PPG1241-3
      ‎#9bc7ea
      ΔE = 4.802 / LRV ≈ 53.8%
    2. Everlasting / PPG1161-3
      ‎#a1bed9
      ΔE = 4.940 / LRV ≈ 49.4%
  69. RAL

    1. RAL 270 80 15
      ‎#b6c7e0
      ΔE = 4.827 / LRV ≈ 56.2%
  70. McCormick Paints

    1. Blissful Blue
      ‎#a4bfd9
      ΔE = 4.850 / LRV ≈ 50.2%
  71. PPG Pittsburgh Paints

    1. Everlasting / PPG1161-3
      ‎#a1bed9
      ΔE = 4.940 / LRV ≈ 49.4%
    2. Delectable 147-4
      ‎#9cb4e2
      ΔE = 5.136 / LRV ≈ 45.2%
  72. Dutch Boy

    1. State Of The Union
      ‎#95b7dd
      ΔE = 4.962 / LRV ≈ 45.5%
    2. Blue Blankie
      ‎#aac9e4
      ΔE = 5.174 / LRV ≈ 55.9%
  73. Caran d'Ache

    1. 661 Light Cobalt Blue
      ‎#a1c9e9
      ΔE = 5.023 / LRV ≈ 55.2%
  74. Martha Stewart Living

    1. Lilac B15
      ‎#b6c7df
      ΔE = 5.059 / LRV ≈ 56.1%
  75. Federal Standard

    1. Federal Standard 25488
      ‎#a2bfd9
      ΔE = 5.124 / LRV ≈ 50.0%
  76. GM / General Motors

    1. Firemist Blue
      ‎#abb9d3
      ΔE = 5.129 / LRV ≈ 48.1%
    2. Venetian Blue
      ‎#9bb7d7
      ΔE = 5.155 / LRV ≈ 45.7%
  77. Diamond Paint

    1. Sunrise
      ‎#adbdd4
      ΔE = 5.171 / LRV ≈ 50.0%
  78. Designers Guild

    1. Jodphur
      ‎#95b8ee
      ΔE = 5.184 / LRV ≈ 46.8%
  79. Abet Laminati

    1. Azzurro Pervinca 858
      ‎#a2c7e4
      ΔE = 5.212 / LRV ≈ 54.1%
  80. Sherwin-Williams

    1. Agapanthus - 9066
      ‎#bbc5de
      ΔE = 5.237 / LRV ≈ 55.8%

محاكاة عمى اللون

Monochromacy

Dichromacy

رؤية ثلاثية الألوان

‎#a7c2eb HTML / CSS أمثلة على الرمز

‎#a7c2eb الصدارة

علقة حرامى في السوق. "أى ضرب مبرح"

<p style="color: #a7c2eb">…</p>

‎#a7c2eb الخلفية

الألم الذي لا نتعلم منه نستحقه مجددا.

<p style="background-color: #a7c2eb">…</p>

‎#a7c2eb ظل النص

تأبى الدراهم إلا كشف أرؤسها إن الغني طويل الذيل مياس

<p style="text-shadow: 0.1em 0.1em 0.15em #a7c2eb">…</p>

الرسوم البيانية للون

تحويلات مساحة اللون

عشري
10994411
الثنائية
10100111, 11000010, 11101011
عشري
#a7c2eb
LRV
≈ 52.8%
أقرب لون ست عشري قصير
#abd ΔE = 3.366
RGB
rgb(167, 194, 235)
RGBA
rgba(167, 194, 235, 1.0)
rg اللونية
r: 0.280, g: 0.326, b: 0.394
RYB
أحمر: 65.490%, أصفر: 73.069%, أزرق: 92.157%
Android / android.graphics.Color
-5782805 / 0xffa7c2eb
HSL
hsl(216, 63%, 79%)
HSLA
hsla(216, 63%, 79%, 1.0)
HSV / HSB
صبغة: 216° (216.176), تشبع: 29% (0.289), قيمة: 92% (0.922)
HSP
صبغة: 216.176, تشبع: 28.936%, السطوع المدركة: 75.154%
HSLuv (HUSL)
H: 247.287, S: 66.940, L: 77.754
Cubehelix
H: -146.457, S: 0.523, L: 0.747
TSL
T: -1.947, S: 0.072, L: 0.747
CMYK
سيان: 29% (0.289), ماجنتي: 17% (0.174), أصفر: 0% (0.000), أسود: 8% (0.078)
CMY
سيان: 35% (0.345), ماجنتي: 24% (0.239), أصفر: 8% (0.078)
XYZ
X: 50.219, Y: 52.795, Z: 86.126
xyY
x: 0.266, y: 0.279, Y: 52.795
CIELab
L: 77.754, a: 0.104, b: -23.319
CIELuv
L: 77.754, u: -15.477, v: -36.976
CIELCH / LCHab
L: 77.754, C: 23.319, H: 270.256
CIELUV / LCHuv
L: 77.754, C: 40.085, H: 247.287
Hunter-Lab
L: 72.660, a: -3.786, b: -19.415
CIECAM02
J: 69.952, C: 31.209, h: 251.959, Q: 164.782, M: 27.291, s: 40.697, H: 306.981
OSA-UCS
خفة: -10.179, أصفر: -4.061, أخضر: 1.246
LMS
L: 45.495, M: 54.811, S: 85.565
YCbCr
Y: 179.725, Cb: 149.995, Cr: 113.236
YCoCg
Y: 197.500, Cg: -3.500, Co: 24.750
YDbDr
Y: 190.601, Db: 66.803, Dr: 44.888
YPbPr
Y: 191.201, Pb: 23.605, Pr: -15.386
xvYCC
Y: 180.208, Cb: 148.735, Cr: 114.484
YIQ
Y: 190.601, I: -29.256, Q: 7.047
YUV
Y: 190.601, U: 21.850, V: -20.705
نظام الألوان مونسل
5PB 7/6 ΔE = 4.094
لون العلامة التجارية
Heroku (light) ΔE = 7.856

ألوان عشوائية

أحمر

أخضر

أزرق