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Recognised as Colour

#86171F

  • #86171F
  • Red
  • Dark
  • Nearest: Brown

#86171F is a red with RGB values 134, 23, 31 and HSL 356°, 71%, 31%. 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

#86171F#86171F
HEX#86171F
RGBrgb(134, 23, 31)
RGB (0–1)0.5255, 0.0902, 0.1216
RGB percentages52.5%, 9%, 12.2%
HSLhsl(355.7, 70.7%, 30.8%)
HSV / HSBhsv(355.7, 82.8%, 52.5%)
CMYK0%, 82.8%, 76.9%, 47.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,787,743
CSS custom property--colour: #86171F;

Brightness & contrast

Relative luminance0.0578WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.74:1
Contrast with white9.74:1WCAG normal text: AAA
Contrast with black2.16:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#79E8E0

Colour vision & accessibility

Protanopia#3A351Eno red cones; affects about 1% of men; ΔE 49.2 from the original
Deuteranopia#554C1Bno green cones; the most common form, about 1% of men; ΔE 49 from the original
Tritanopia#94001Bno blue cones; rare, and affects men and women equally; ΔE 9.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.74:1WCAG large text: AAA
Contrast with black, large text2.16:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 10.67, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#17867E
Analogous#861757, #864717
Triadic#1F8617, #171F86
Split complementary#178646, #175786
Tetradic#578617, #17867E, #461786

Tints, shades & saturation

Lighter +40%#E98087
Lighter +30%#E2545E
Lighter +20%#DA2936
Lighter +10%#B21E29
Darker −10%#5A1015
Darker −20%#2F080B
Darker −30%#030101
Darker −40%#000000
More saturated +25%#9A030E
Less saturated −25%#722B30

Channel breakdown

R134
G23
B31
Red134 (52.5%)
Green23 (9%)
Blue31 (12.2%)
Hue355.68°
Saturation (HSL)70.7%
Lightness30.78%
Dominant channelRed
Hex per channelR 86 · G 17 · B 1F

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Every value on this page was computed from “86171f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.