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Recognised as Colour

#12231B

  • #12231B
  • Cyan
  • Dark
  • Nearest: Black

#12231B is a cyan with RGB values 18, 35, 27 and HSL 152°, 32%, 10%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#12231B#12231B
HEX#12231B
RGBrgb(18, 35, 27)
RGB (0–1)0.0706, 0.1373, 0.1059
RGB percentages7.1%, 13.7%, 10.6%
HSLhsl(151.8, 32.1%, 10.4%)
HSV / HSBhsv(151.8, 48.6%, 13.7%)
CMYK48.6%, 0%, 22.9%, 86.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,188,635
CSS custom property--colour: #12231B;

Brightness & contrast

Relative luminance0.0141WCAG 2.x, 0 is black and 1 is white
Perceived brightness30 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.38:1
Contrast with white16.38:1WCAG normal text: AAA
Contrast with black1.28:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#EDDCE4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#22211Bno red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#201F1Bno green cones; the most common form, about 1% of men; ΔE 9 from the original
Tritanopia#0E2321no blue cones; rare, and affects men and women equally; ΔE 4.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.38:1WCAG large text: AAA
Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Black · ΔE 15.6Dark slate grey · ΔE 20.5Dim grey · ΔE 33.9Dark olivegreen · ΔE 41.9Teal · ΔE 42.7Gray · ΔE 42.7
Nearest named CSS colourBlack (#000000)ΔE 15.64, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#23121A
Analogous#122312, #122323
Triadic#1B1223, #231B12
Split complementary#231223, #231212
Tetradic#121223, #23121A, #232312

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#58A983
Lighter +30%#468869
Lighter +20%#35664F
Lighter +10%#234535
Darker −10%#010101
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B2A1B
Less saturated −25%#191C1B

Channel breakdown

R18
G35
B27
Red18 (7.1%)
Green35 (13.7%)
Blue27 (10.6%)
Hue151.76°
Saturation (HSL)32.08%
Lightness10.39%
Dominant channelGreen
Hex per channelR 12 · G 23 · B 1B

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Every value on this page was computed from “12231b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.