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Recognised as Colour

#B12D2F

  • #B12D2F
  • Red
  • Dark
  • Nearest: Brown

#B12D2F is a red with RGB values 177, 45, 47 and HSL 359°, 59%, 44%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B12D2F#B12D2F
HEX#B12D2F
RGBrgb(177, 45, 47)
RGB (0–1)0.6941, 0.1765, 0.1843
RGB percentages69.4%, 17.6%, 18.4%
HSLhsl(359.1, 59.5%, 43.5%)
HSV / HSBhsv(359.1, 74.6%, 69.4%)
CMYK0%, 74.6%, 73.4%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,611,439
CSS custom property--colour: #B12D2F;

Brightness & contrast

Relative luminance0.11429WCAG 2.x, 0 is black and 1 is white
Perceived brightness104 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.39:1
Contrast with white6.39:1WCAG normal text: AA
Contrast with black3.29:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#4ED2D0

Colour vision & accessibility

Protanopia#544D2Eno red cones; affects about 1% of men; ΔE 56.7 from the original
Deuteranopia#75692Ano green cones; the most common form, about 1% of men; ΔE 56.6 from the original
Tritanopia#C3002Fno blue cones; rare, and affects men and women equally; ΔE 13.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.39:1WCAG large text: AAA
Contrast with black, large text3.29:1WCAG large text: AA

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 4.14, a close match
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2DB1AF
Analogous#B12D71, #B16D2D
Triadic#2FB12D, #2D2FB1
Split complementary#2DB16D, #2D71B1
Tetradic#71B12D, #2DB1AF, #6D2DB1

Tints, shades & saturation

Lighter +40%#EEBCBD
Lighter +30%#E49395
Lighter +20%#D96B6C
Lighter +10%#CF4244
Darker −10%#882324
Darker −20%#601819
Darker −30%#370E0F
Darker −40%#0E0404
More saturated +25%#CD1114
Less saturated −25%#95494A

Channel breakdown

R177
G45
B47
Red177 (69.4%)
Green45 (17.6%)
Blue47 (18.4%)
Hue359.09°
Saturation (HSL)59.46%
Lightness43.53%
Dominant channelRed
Hex per channelR B1 · G 2D · B 2F

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Every value on this page was computed from “b12d2f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.