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Recognised as Colour

#023931

  • #023931
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#023931 is a cyan with RGB values 2, 57, 49 and HSL 171°, 93%, 12%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#023931#023931
HEX#023931
RGBrgb(2, 57, 49)
RGB (0–1)0.0078, 0.2235, 0.1922
RGB percentages0.8%, 22.4%, 19.2%
HSLhsl(171.3, 93.2%, 11.6%)
HSV / HSBhsv(171.3, 96.5%, 22.4%)
CMYK96.5%, 0%, 14%, 77.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer145,713
CSS custom property--colour: #023931;

Brightness & contrast

Relative luminance0.03161WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.87:1
Contrast with white12.87:1WCAG normal text: AAA
Contrast with black1.63:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#FDC6CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#363531no red cones; affects about 1% of men; ΔE 18.9 from the original
Deuteranopia#2F3032no green cones; the most common form, about 1% of men; ΔE 19.2 from the original
Tritanopia#003A37no blue cones; rare, and affects men and women equally; ΔE 3.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.87:1WCAG large text: AAA
Contrast with black, large text1.63:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.5Black · ΔE 28.1Dim grey · ΔE 30.5Teal · ΔE 30.5Dark cyan · ΔE 34.8Dark olivegreen · ΔE 37.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.48, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#39020A
Analogous#023915, #022639
Triadic#310239, #393102
Split complementary#390225, #391502
Tetradic#150239, #39020A, #263902

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#10F7D5
Lighter +30%#07CDB0
Lighter +20%#059C86
Lighter +10%#046A5B
Darker −10%#000807
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003B32
Less saturated −25%#09322C

Channel breakdown

R2
G57
B49
Red2 (0.8%)
Green57 (22.4%)
Blue49 (19.2%)
Hue171.27°
Saturation (HSL)93.22%
Lightness11.57%
Dominant channelGreen
Hex per channelR 02 · G 39 · B 31

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Every value on this page was computed from “hex 023931” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.