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Recognised as Colour

#5B031D

  • #5B031D
  • Red
  • Dark
  • Nearest: Maroon

#5B031D is a red with RGB values 91, 3, 29 and HSL 342°, 94%, 18%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#5B031D#5B031D
HEX#5B031D
RGBrgb(91, 3, 29)
RGB (0–1)0.3569, 0.0118, 0.1137
RGB percentages35.7%, 1.2%, 11.4%
HSLhsl(342.3, 93.6%, 18.4%)
HSV / HSBhsv(342.3, 96.7%, 35.7%)
CMYK0%, 96.7%, 68.1%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,964,573
CSS custom property--colour: #5B031D;

Brightness & contrast

Relative luminance0.02378WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.23:1
Contrast with white14.23:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#A4FCE2

Colour vision & accessibility

Protanopia#201F1Dno red cones; affects about 1% of men; ΔE 39.5 from the original
Deuteranopia#36311Bno green cones; the most common form, about 1% of men; ΔE 40 from the original
Tritanopia#65000Fno blue cones; rare, and affects men and women equally; ΔE 12.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.23:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Nearest named CSS colourMaroon (#800000)ΔE 30.1, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#035B41
Analogous#5B0349, #5B1503
Triadic#1D5B03, #031D5B
Split complementary#035B15, #03495B
Tetradic#495B03, #035B41, #15035B

Tints, shades & saturation

Lighter +40%#F8326C
Lighter +30%#EF084C
Lighter +20%#BE063C
Lighter +10%#8C052D
Darker −10%#2A010D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5E001C
Less saturated −25%#4F0F22

Channel breakdown

R91
G3
B29
Red91 (35.7%)
Green3 (1.2%)
Blue29 (11.4%)
Hue342.27°
Saturation (HSL)93.62%
Lightness18.43%
Dominant channelRed
Hex per channelR 5B · G 03 · B 1D

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Every value on this page was computed from “5b031d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.