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Recognised as Colour

#80101B

  • #80101B
  • Red
  • Dark
  • Nearest: Brown

#80101B is a red with RGB values 128, 16, 27 and HSL 354°, 78%, 28%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#80101B#80101B
HEX#80101B
RGBrgb(128, 16, 27)
RGB (0–1)0.502, 0.0627, 0.1059
RGB percentages50.2%, 6.3%, 10.6%
HSLhsl(354.1, 77.8%, 28.2%)
HSV / HSBhsv(354.1, 87.5%, 50.2%)
CMYK0%, 87.5%, 78.9%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,392,731
CSS custom property--colour: #80101B;

Brightness & contrast

Relative luminance0.05039WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.46:1
Contrast with white10.46:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#7FEFE4

Colour vision & accessibility

Protanopia#35301Ano red cones; affects about 1% of men; ΔE 49 from the original
Deuteranopia#514816no green cones; the most common form, about 1% of men; ΔE 48.9 from the original
Tritanopia#8E0016no blue cones; rare, and affects men and women equally; ΔE 9.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.46:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 12.41, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#108075
Analogous#801053, #803D10
Triadic#1B8010, #101B80
Split complementary#10803D, #105380
Tetradic#538010, #108075, #3D1080

Tints, shades & saturation

Lighter +40%#ED6F7B
Lighter +30%#E74252
Lighter +20%#DB1B2E
Lighter +10%#AD1625
Darker −10%#530A11
Darker −20%#250508
Darker −30%#000000
Darker −40%#000000
More saturated +25%#90000E
Less saturated −25%#6E2229

Channel breakdown

R128
G16
B27
Red128 (50.2%)
Green16 (6.3%)
Blue27 (10.6%)
Hue354.11°
Saturation (HSL)77.78%
Lightness28.24%
Dominant channelRed
Hex per channelR 80 · G 10 · B 1B

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Every value on this page was computed from “80101b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.