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Recognised as Colour

#02311C

  • #02311C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#02311C is a cyan with RGB values 2, 49, 28 and HSL 153°, 92%, 10%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#02311C#02311C
HEX#02311C
RGBrgb(2, 49, 28)
RGB (0–1)0.0078, 0.1922, 0.1098
RGB percentages0.8%, 19.2%, 11%
HSLhsl(153.2, 92.2%, 10%)
HSV / HSBhsv(153.2, 95.9%, 19.2%)
CMYK95.9%, 0%, 42.9%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer143,644
CSS custom property--colour: #02311C;

Brightness & contrast

Relative luminance0.02293WCAG 2.x, 0 is black and 1 is white
Perceived brightness38.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.4:1
Contrast with white14.4:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#FDCEE3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#302C1Bno red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#2B281Dno green cones; the most common form, about 1% of men; ΔE 20.7 from the original
Tritanopia#00312Cno blue cones; rare, and affects men and women equally; ΔE 11.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.4:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.6Black · ΔE 28.9Dark olivegreen · ΔE 33.2Dim grey · ΔE 36.1Teal · ΔE 36.7Sea green · ΔE 40.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.6, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#310217
Analogous#023104, #022F31
Triadic#1C0231, #311C02
Split complementary#31022F, #310402
Tetradic#050231, #310217, #2F3102

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0AF58C
Lighter +30%#08C470
Lighter +20%#069354
Lighter +10%#046238
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00331C
Less saturated −25%#082B1B

Channel breakdown

R2
G49
B28
Red2 (0.8%)
Green49 (19.2%)
Blue28 (11%)
Hue153.19°
Saturation (HSL)92.16%
Lightness10%
Dominant channelGreen
Hex per channelR 02 · G 31 · B 1C

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Every value on this page was computed from “02311c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.