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Recognised as Colour

#A3192B

  • #A3192B
  • Red
  • Dark
  • Nearest: Brown

#A3192B is a red with RGB values 163, 25, 43 and HSL 352°, 73%, 37%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A3192B#A3192B
HEX#A3192B
RGBrgb(163, 25, 43)
RGB (0–1)0.6392, 0.098, 0.1686
RGB percentages63.9%, 9.8%, 16.9%
HSLhsl(352.2, 73.4%, 36.9%)
HSV / HSBhsv(352.2, 84.7%, 63.9%)
CMYK0%, 84.7%, 73.6%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,688,811
CSS custom property--colour: #A3192B;

Brightness & contrast

Relative luminance0.08656WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.69:1
Contrast with white7.69:1WCAG normal text: AAA
Contrast with black2.73:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#5CE6D4

Colour vision & accessibility

Protanopia#46402Ano red cones; affects about 1% of men; ΔE 57.6 from the original
Deuteranopia#685D26no green cones; the most common form, about 1% of men; ΔE 57.7 from the original
Tritanopia#B40022no blue cones; rare, and affects men and women equally; ΔE 12.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.69:1WCAG large text: AAA
Contrast with black, large text2.73:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 6.02, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#19A391
Analogous#A31970, #A34C19
Triadic#2BA319, #192BA3
Split complementary#19A34C, #1970A3
Tetradic#70A319, #19A391, #4C19A3

Tints, shades & saturation

Lighter +40%#EF99A4
Lighter +30%#E96C7D
Lighter +20%#E24055
Lighter +10%#CF2037
Darker −10%#77121F
Darker −20%#4B0B14
Darker −30%#1E0508
Darker −40%#000000
More saturated +25%#BA021A
Less saturated −25%#8B313C

Channel breakdown

R163
G25
B43
Red163 (63.9%)
Green25 (9.8%)
Blue43 (16.9%)
Hue352.17°
Saturation (HSL)73.4%
Lightness36.86%
Dominant channelRed
Hex per channelR A3 · G 19 · B 2B

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Every value on this page was computed from “a3192b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.