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Recognised as Colour

#159DB0

  • #159DB0
  • Cyan
  • Dark
  • Nearest: Dark cyan

#159DB0 is a cyan with RGB values 21, 157, 176 and HSL 187°, 79%, 39%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#159DB0#159DB0
HEX#159DB0
RGBrgb(21, 157, 176)
RGB (0–1)0.0824, 0.6157, 0.6902
RGB percentages8.2%, 61.6%, 69%
HSLhsl(187.4, 78.7%, 38.6%)
HSV / HSBhsv(187.4, 88.1%, 69%)
CMYK88.1%, 10.8%, 0%, 31%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,416,624
CSS custom property--colour: #159DB0;

Brightness & contrast

Relative luminance0.27408WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.48:1
Contrast with white3.24:1WCAG normal text: Fail
Contrast with black6.48:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#EA624F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8D97B1no red cones; affects about 1% of men; ΔE 29 from the original
Deuteranopia#7A89B0no green cones; the most common form, about 1% of men; ΔE 30.5 from the original
Tritanopia#00A5A3no blue cones; rare, and affects men and women equally; ΔE 13.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.24:1WCAG large text: AA
Contrast with black, large text6.48:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 13.3Cadetblue · ΔE 13.8Teal · ΔE 15.8Light seagreen · ΔE 18.3Dark turquoise · ΔE 21.8Sky blue · ΔE 23.1
Nearest named CSS colourDark cyan (#008B8B)ΔE 13.3, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B02815
Analogous#15B076, #154FB0
Triadic#B0159D, #9DB015
Split complementary#B0154F, #B07615
Tetradic#7615B0, #B02815, #4FB015

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9EE9F3
Lighter +30%#70DFEE
Lighter +20%#42D4E9
Lighter +10%#1AC6DE
Darker −10%#107482
Darker −20%#0A4C55
Darker −30%#052327
Darker −40%#000000
More saturated +25%#00ADC5
Less saturated −25%#2E8A97

Channel breakdown

R21
G157
B176
Red21 (8.2%)
Green157 (61.6%)
Blue176 (69%)
Hue187.35°
Saturation (HSL)78.68%
Lightness38.63%
Dominant channelBlue
Hex per channelR 15 · G 9D · B B0

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Every value on this page was computed from “159db0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.