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Recognised as Colour

#A73639

  • #A73639
  • Red
  • Dark
  • Nearest: Brown

#A73639 is a red with RGB values 167, 54, 57 and HSL 358°, 51%, 43%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#A73639#A73639
HEX#A73639
RGBrgb(167, 54, 57)
RGB (0–1)0.6549, 0.2118, 0.2235
RGB percentages65.5%, 21.2%, 22.4%
HSLhsl(358.4, 51.1%, 43.3%)
HSV / HSBhsv(358.4, 67.7%, 65.5%)
CMYK0%, 67.7%, 65.9%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,958,393
CSS custom property--colour: #A73639;

Brightness & contrast

Relative luminance0.11149WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.5:1
Contrast with white6.5:1WCAG normal text: AA
Contrast with black3.23:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#58C9C6

Colour vision & accessibility

Protanopia#544F38no red cones; affects about 1% of men; ΔE 49.9 from the original
Deuteranopia#716736no green cones; the most common form, about 1% of men; ΔE 50.1 from the original
Tritanopia#B71A38no blue cones; rare, and affects men and women equally; ΔE 13.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.5:1WCAG large text: AAA
Contrast with black, large text3.23:1WCAG large text: AA

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 7.41, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#36A7A4
Analogous#A73672, #A76B36
Triadic#39A736, #3639A7
Split complementary#36A76B, #3672A7
Tetradic#72A736, #36A7A4, #6B36A7

Tints, shades & saturation

Lighter +40%#EABFC0
Lighter +30%#DE989A
Lighter +20%#D17274
Lighter +10%#C54B4E
Darker −10%#802A2C
Darker −20%#5A1D1F
Darker −30%#331112
Darker −40%#0D0404
More saturated +25%#C31A1F
Less saturated −25%#8B5253

Channel breakdown

R167
G54
B57
Red167 (65.5%)
Green54 (21.2%)
Blue57 (22.4%)
Hue358.41°
Saturation (HSL)51.13%
Lightness43.33%
Dominant channelRed
Hex per channelR A7 · G 36 · B 39

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Every value on this page was computed from “a73639” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.