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Recognised as Colour

#822A31

  • #822A31
  • Red
  • Dark
  • Nearest: Brown

#822A31 is a red with RGB values 130, 42, 49 and HSL 355°, 51%, 34%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#822A31#822A31
HEX#822A31
RGBrgb(130, 42, 49)
RGB (0–1)0.5098, 0.1647, 0.1922
RGB percentages51%, 16.5%, 19.2%
HSLhsl(355.2, 51.2%, 33.7%)
HSV / HSBhsv(355.2, 67.7%, 51%)
CMYK0%, 67.7%, 62.3%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,530,481
CSS custom property--colour: #822A31;

Brightness & contrast

Relative luminance0.06624WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.03:1
Contrast with white9.03:1WCAG normal text: AAA
Contrast with black2.32:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#7DD5CE

Colour vision & accessibility

Protanopia#413D31no red cones; affects about 1% of men; ΔE 40.2 from the original
Deuteranopia#57502Fno green cones; the most common form, about 1% of men; ΔE 41.1 from the original
Tritanopia#8F172Dno blue cones; rare, and affects men and women equally; ΔE 11.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.03:1WCAG large text: AAA
Contrast with black, large text2.32:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 19.2, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2A827B
Analogous#822A5D, #824F2A
Triadic#31822A, #2A3182
Split complementary#2A824F, #2A5D82
Tetradic#5D822A, #2A827B, #4F2A82

Tints, shades & saturation

Lighter +40%#DE9A9F
Lighter +30%#D2737B
Lighter +20%#C54D56
Lighter +10%#A93640
Darker −10%#5B1E22
Darker −20%#351114
Darker −30%#0E0505
Darker −40%#000000
More saturated +25%#97141F
Less saturated −25%#6C3F43

Channel breakdown

R130
G42
B49
Red130 (51%)
Green42 (16.5%)
Blue49 (19.2%)
Hue355.23°
Saturation (HSL)51.16%
Lightness33.73%
Dominant channelRed
Hex per channelR 82 · G 2A · B 31

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Every value on this page was computed from “822a31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.