Colour

#87133A

#87133A
Red
Dark
Nearest: Brown

#87133A is a red with RGB values 135, 19, 58 and HSL 340°, 75%, 30%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#87133A#87133A

HEX#87133A

RGBrgb(135, 19, 58)

RGB (0–1)0.5294, 0.0745, 0.2275

RGB percentages52.9%, 7.5%, 22.7%

HSLhsl(339.8, 75.3%, 30.2%)

HSV / HSBhsv(339.8, 85.9%, 52.9%)

CMYK0%, 85.9%, 57%, 47.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,852,282

CSS custom property--colour: #87133A;

Brightness & contrast

Relative luminance0.05922WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.61:1

Contrast with white9.61:1WCAG normal text: AAA

Contrast with black2.18:1WCAG normal text: Fail

Greyscale equivalent#2E2E2E

Inverted#78ECC5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#35363Bno red cones; affects about 1% of men; ΔE 49.7 from the original

Deuteranopia#524D37no green cones; the most common form, about 1% of men; ΔE 51 from the original

Tritanopia#940025no blue cones; rare, and affects men and women equally; ΔE 17.1 from the original

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

Contrast with white, large text9.61:1WCAG large text: AAA

Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Brown · ΔE 23.6 Indian red · ΔE 28 Maroon · ΔE 29.8 Firebrick · ΔE 31.6 Pale violetred · ΔE 32.5 Dark red · ΔE 32.9

Nearest named CSS colourBrown (#A52A2A)ΔE 23.6, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#138760

Analogous#871374, #872613

Triadic#3A8713, #133A87

Split complementary#138726, #137487

Tetradic#748713, #138760, #261387

Tints, shades & saturation

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

Lighter +40%#EC7AA0

Lighter +30%#E64D80

Lighter +20%#E02061

Lighter +10%#B4194D

Darker −10%#5A0D27

Darker −20%#2E0614

Darker −30%#010000

Darker −40%#000000

More saturated +25%#9A0034

Less saturated −25%#742640

Channel breakdown

R135

G19

B58

Red135 (52.9%)

Green19 (7.5%)

Blue58 (22.7%)

Hue339.83°

Saturation (HSL)75.32%

Lightness30.2%

Dominant channelRed

Hex per channelR 87 · G 13 · B 3A

Keep nerding

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#87133A

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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