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Colour

#8B013B

  • #8B013B
  • Red
  • Dark
  • Nearest: Brown

#8B013B is a red with RGB values 139, 1, 59 and HSL 335°, 99%, 27%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#8B013B#8B013B
HEX#8B013B
RGBrgb(139, 1, 59)
RGB (0–1)0.5451, 0.0039, 0.2314
RGB percentages54.5%, 0.4%, 23.1%
HSLhsl(334.8, 98.6%, 27.5%)
HSV / HSBhsv(334.8, 99.3%, 54.5%)
CMYK0%, 99.3%, 57.6%, 45.5%naive device-independent conversion; real print needs an ICC profile
24-bit integer9,109,819
CSS custom property--colour: #8B013B;

Brightness & contrast

Relative luminance0.05826WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.7:1
Contrast with white9.7:1WCAG normal text: AAA
Contrast with black2.17:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#74FEC4

Colour vision & accessibility

Protanopia#31343Cno red cones; affects about 1% of men; ΔE 54.4 from the original
Deuteranopia#524D38no green cones; the most common form, about 1% of men; ΔE 55.2 from the original
Tritanopia#990020no blue cones; rare, and affects men and women equally; ΔE 22 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.7:1WCAG large text: AAA
Contrast with black, large text2.17:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 24.73, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#018B51
Analogous#8B0180, #8B0C01
Triadic#3B8B01, #013B8B
Split complementary#018B0C, #01808B
Tetradic#808B01, #018B51, #0C018B

Tints, shades & saturation

Lighter +40%#FE5A9F
Lighter +30%#FD2881
Lighter +20%#F00266
Lighter +10%#BE0150
Darker −10%#580126
Darker −20%#260010
Darker −30%#000000
Darker −40%#000000
More saturated +25%#8C003B
Less saturated −25%#7A123E

Channel breakdown

R139
G1
B59
Red139 (54.5%)
Green1 (0.4%)
Blue59 (23.1%)
Hue334.78°
Saturation (HSL)98.57%
Lightness27.45%
Dominant channelRed
Hex per channelR 8B · G 01 · B 3B

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Every value on this page was computed from “8b013b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.