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Recognised as Colour

#81342F

  • #81342F
  • Red
  • Dark
  • Nearest: Sienna

#81342F is a red with RGB values 129, 52, 47 and HSL 4°, 47%, 35%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Sienna.

Colour values

#81342F#81342F
HEX#81342F
RGBrgb(129, 52, 47)
RGB (0–1)0.5059, 0.2039, 0.1843
RGB percentages50.6%, 20.4%, 18.4%
HSLhsl(3.7, 46.6%, 34.5%)
HSV / HSBhsv(3.7, 63.6%, 50.6%)
CMYK0%, 59.7%, 63.6%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,467,503
CSS custom property--colour: #81342F;

Brightness & contrast

Relative luminance0.07328WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.52:1
Contrast with white8.52:1WCAG normal text: AAA
Contrast with black2.47:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#7ECBD0

Colour vision & accessibility

Protanopia#47422Eno red cones; affects about 1% of men; ΔE 35.4 from the original
Deuteranopia#5B532Dno green cones; the most common form, about 1% of men; ΔE 35.8 from the original
Tritanopia#8D2633no blue cones; rare, and affects men and women equally; ΔE 11.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.52:1WCAG large text: AAA
Contrast with black, large text2.47:1WCAG large text: Fail

Named colours

Nearest named CSS colourSienna (#A0522D)ΔE 19.68, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2F7C81
Analogous#812F53, #815D2F
Triadic#2F8134, #342F81
Split complementary#2F815D, #2F5381
Tetradic#53812F, #2F7C81, #5D2F81

Tints, shades & saturation

Lighter +40%#DCA3A0
Lighter +30%#CF7F7A
Lighter +20%#C15C55
Lighter +10%#A6433D
Darker −10%#5C2521
Darker −20%#361614
Darker −30%#110706
Darker −40%#000000
More saturated +25%#972119
Less saturated −25%#6B4745

Channel breakdown

R129
G52
B47
Red129 (50.6%)
Green52 (20.4%)
Blue47 (18.4%)
Hue3.66°
Saturation (HSL)46.59%
Lightness34.51%
Dominant channelRed
Hex per channelR 81 · G 34 · B 2F

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Every value on this page was computed from “81342f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.