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Recognised as Colour

#A8023D

  • #A8023D
  • Red
  • Dark
  • Nearest: Brown

#A8023D is a red with RGB values 168, 2, 61 and HSL 339°, 98%, 33%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A8023D#A8023D
HEX#A8023D
RGBrgb(168, 2, 61)
RGB (0–1)0.6588, 0.0078, 0.2392
RGB percentages65.9%, 0.8%, 23.9%
HSLhsl(338.7, 97.6%, 33.3%)
HSV / HSBhsv(338.7, 98.8%, 65.9%)
CMYK0%, 98.8%, 63.7%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,010,621
CSS custom property--colour: #A8023D;

Brightness & contrast

Relative luminance0.08705WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.66:1
Contrast with white7.66:1WCAG normal text: AAA
Contrast with black2.74:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#57FDC2

Colour vision & accessibility

Protanopia#403F3Eno red cones; affects about 1% of men; ΔE 62.5 from the original
Deuteranopia#665E39no green cones; the most common form, about 1% of men; ΔE 63.3 from the original
Tritanopia#B90023no blue cones; rare, and affects men and women equally; ΔE 21.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.66:1WCAG large text: AAA
Contrast with black, large text2.74:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 17.98, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#02A86D
Analogous#A80290, #A81A02
Triadic#3DA802, #023DA8
Split complementary#02A81A, #0290A8
Tetradic#90A802, #02A86D, #1A02A8

Tints, shades & saturation

Lighter +40%#FD79A8
Lighter +30%#FD4687
Lighter +20%#FC1466
Lighter +10%#DA034F
Darker −10%#76012B
Darker −20%#430118
Darker −30%#110006
Darker −40%#000000
More saturated +25%#AA003C
Less saturated −25%#931743

Channel breakdown

R168
G2
B61
Red168 (65.9%)
Green2 (0.8%)
Blue61 (23.9%)
Hue338.67°
Saturation (HSL)97.65%
Lightness33.33%
Dominant channelRed
Hex per channelR A8 · G 02 · B 3D

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Every value on this page was computed from “a8023d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.