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Colour

#00331B

  • #00331B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#00331B is a cyan with RGB values 0, 51, 27 and HSL 152°, 100%, 10%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#00331B#00331B
HEX#00331B
RGBrgb(0, 51, 27)
RGB (0–1)0, 0.2, 0.1059
RGB percentages0%, 20%, 10.6%
HSLhsl(151.8, 100%, 10%)
HSV / HSBhsv(151.8, 100%, 20%)
CMYK100%, 0%, 47.1%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,083
CSS custom property--colour: #00331B;

Brightness & contrast

Relative luminance0.02447WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.1:1
Contrast with white14.1:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#FFCCE4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#332E19no red cones; affects about 1% of men; ΔE 22 from the original
Deuteranopia#2D2A1Dno green cones; the most common form, about 1% of men; ΔE 22 from the original
Tritanopia#00322Dno blue cones; rare, and affects men and women equally; ΔE 13.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.1:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 22.9Black · ΔE 31.1Dark olivegreen · ΔE 31.8Teal · ΔE 36.6Dim grey · ΔE 37Sea green · ΔE 38.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 22.93, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#330018
Analogous#003302, #003233
Triadic#1B0033, #331B00
Split complementary#330032, #330100
Tetradic#020033, #330018, #323300

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#00FF87
Lighter +30%#00CC6C
Lighter +20%#009951
Lighter +10%#006636
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00331B
Less saturated −25%#062D1B

Channel breakdown

R0
G51
B27
Red0 (0%)
Green51 (20%)
Blue27 (10.6%)
Hue151.76°
Saturation (HSL)100%
Lightness10%
Dominant channelGreen
Hex per channelR 00 · G 33 · B 1B

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Every value on this page was computed from “00331b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.