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Colour

#09281C

  • #09281C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#09281C is a cyan with RGB values 9, 40, 28 and HSL 157°, 63%, 10%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#09281C#09281C
HEX#09281C
RGBrgb(9, 40, 28)
RGB (0–1)0.0353, 0.1569, 0.1098
RGB percentages3.5%, 15.7%, 11%
HSLhsl(156.8, 63.3%, 9.6%)
HSV / HSBhsv(156.8, 77.5%, 15.7%)
CMYK77.5%, 0%, 30%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer600,092
CSS custom property--colour: #09281C;

Brightness & contrast

Relative luminance0.0166WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.77:1
Contrast with white15.77:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#F6D7E3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#27251Bno red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#23211Dno green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#002825no blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.77:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.8Black · ΔE 20.8Dim grey · ΔE 34.6Dark olivegreen · ΔE 38.9Teal · ΔE 39.5Gray · ΔE 43
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.81, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#280915
Analogous#09280C, #092528
Triadic#1C0928, #281C09
Split complementary#280925, #280C09
Tetradic#0C0928, #280915, #252809

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2ECF91
Lighter +30%#25A573
Lighter +20%#1C7B56
Lighter +10%#125239
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#032E1D
Less saturated −25%#0F221B

Channel breakdown

R9
G40
B28
Red9 (3.5%)
Green40 (15.7%)
Blue28 (11%)
Hue156.77°
Saturation (HSL)63.27%
Lightness9.61%
Dominant channelGreen
Hex per channelR 09 · G 28 · B 1C

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Every value on this page was computed from “09281c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.