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Recognised as Colour

#82102A

  • #82102A
  • Red
  • Dark
  • Nearest: Brown

#82102A is a red with RGB values 130, 16, 42 and HSL 346°, 78%, 29%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#82102A#82102A
HEX#82102A
RGBrgb(130, 16, 42)
RGB (0–1)0.5098, 0.0627, 0.1647
RGB percentages51%, 6.3%, 16.5%
HSLhsl(346.3, 78.1%, 28.6%)
HSV / HSBhsv(346.3, 87.7%, 51%)
CMYK0%, 87.7%, 67.7%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,523,818
CSS custom property--colour: #82102A;

Brightness & contrast

Relative luminance0.05284WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.21:1
Contrast with white10.21:1WCAG normal text: AAA
Contrast with black2.06:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#7DEFD5

Colour vision & accessibility

Protanopia#34322Ano red cones; affects about 1% of men; ΔE 49.5 from the original
Deuteranopia#504927no green cones; the most common form, about 1% of men; ΔE 49.7 from the original
Tritanopia#8F001Cno blue cones; rare, and affects men and women equally; ΔE 13.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.21:1WCAG large text: AAA
Contrast with black, large text2.06:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 17.24, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#108268
Analogous#821063, #822F10
Triadic#2A8210, #102A82
Split complementary#10822F, #106382
Tetradic#638210, #108268, #2F1082

Tints, shades & saturation

Lighter +40%#ED718D
Lighter +30%#E84369
Lighter +20%#DD1B47
Lighter +10%#AF1639
Darker −10%#550A1B
Darker −20%#27050D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#920021
Less saturated −25%#702234

Channel breakdown

R130
G16
B42
Red130 (51%)
Green16 (6.3%)
Blue42 (16.5%)
Hue346.32°
Saturation (HSL)78.08%
Lightness28.63%
Dominant channelRed
Hex per channelR 82 · G 10 · B 2A

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Every value on this page was computed from “82102a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.