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Recognised as Colour

#55031F

  • #55031F
  • Red
  • Dark
  • Nearest: Maroon

#55031F is a red with RGB values 85, 3, 31 and HSL 340°, 93%, 17%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#55031F#55031F
HEX#55031F
RGBrgb(85, 3, 31)
RGB (0–1)0.3333, 0.0118, 0.1216
RGB percentages33.3%, 1.2%, 12.2%
HSLhsl(339.5, 93.2%, 17.3%)
HSV / HSBhsv(339.5, 96.5%, 33.3%)
CMYK0%, 96.5%, 63.5%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,571,359
CSS custom property--colour: #55031F;

Brightness & contrast

Relative luminance0.02095WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.8:1
Contrast with white14.8:1WCAG normal text: AAA
Contrast with black1.42:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#AAFCE0

Colour vision & accessibility

Protanopia#1D1D1Fno red cones; affects about 1% of men; ΔE 37.3 from the original
Deuteranopia#312D1Dno green cones; the most common form, about 1% of men; ΔE 37.9 from the original
Tritanopia#5E0010no blue cones; rare, and affects men and women equally; ΔE 13.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.8:1WCAG large text: AAA
Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Nearest named CSS colourMaroon (#800000)ΔE 34.21, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#035539
Analogous#550348, #551003
Triadic#1F5503, #031F55
Split complementary#035510, #034855
Tetradic#485503, #035539, #100355

Tints, shades & saturation

Lighter +40%#F82C72
Lighter +30%#E90855
Lighter +20%#B80643
Lighter +10%#860531
Darker −10%#24010D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#58001E
Less saturated −25%#4A0E22

Channel breakdown

R85
G3
B31
Red85 (33.3%)
Green3 (1.2%)
Blue31 (12.2%)
Hue339.51°
Saturation (HSL)93.18%
Lightness17.25%
Dominant channelRed
Hex per channelR 55 · G 03 · B 1F

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Every value on this page was computed from “55031f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.