Recognised as Colour

#87131B

#87131B
Red
Dark
Nearest: Brown

#87131B is a red with RGB values 135, 19, 27 and HSL 356°, 75%, 30%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#87131B#87131B

HEX#87131B

RGBrgb(135, 19, 27)

RGB (0–1)0.5294, 0.0745, 0.1059

RGB percentages52.9%, 7.5%, 10.6%

HSLhsl(355.9, 75.3%, 30.2%)

HSV / HSBhsv(355.9, 85.9%, 52.9%)

CMYK0%, 85.9%, 80%, 47.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,852,251

CSS custom property--colour: #87131B;

Brightness & contrast

Relative luminance0.05696WCAG 2.x, 0 is black and 1 is white

Perceived brightness75.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.82:1

Contrast with white9.82:1WCAG normal text: AAA

Contrast with black2.14:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#78ECE4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#39341Ano red cones; affects about 1% of men; ΔE 50.8 from the original

Deuteranopia#564C16no green cones; the most common form, about 1% of men; ΔE 50.1 from the original

Tritanopia#950018no blue cones; rare, and affects men and women equally; ΔE 8.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text9.82:1WCAG large text: AAA

Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Brown · ΔE 9.6 Maroon · ΔE 10.5 Dark red · ΔE 13.8 Firebrick · ΔE 16.8 Sienna · ΔE 24.4 Indian red · ΔE 25.6

Nearest named CSS colourBrown (#A52A2A)ΔE 9.62, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#13877F

Analogous#871355, #874513

Triadic#1B8713, #131B87

Split complementary#138745, #135587

Tetradic#558713, #13877F, #451387

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#EC7A82

Lighter +30%#E64D58

Lighter +20%#E0202E

Lighter +10%#B41924

Darker −10%#5A0D12

Darker −20%#2E0609

Darker −30%#010000

Darker −40%#000000

More saturated +25%#9A000B

Less saturated −25%#74262C

Channel breakdown

R135

G19

B27

Red135 (52.9%)

Green19 (7.5%)

Blue27 (10.6%)

Hue355.86°

Saturation (HSL)75.32%

Lightness30.2%

Dominant channelRed

Hex per channelR 87 · G 13 · B 1B

Keep nerding

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#87131B

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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