Colour

#55131C

#55131C
Red
Dark
Nearest: Maroon

#55131C is a red with RGB values 85, 19, 28 and HSL 352°, 63%, 20%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#55131C#55131C

HEX#55131C

RGBrgb(85, 19, 28)

RGB (0–1)0.3333, 0.0745, 0.1098

RGB percentages33.3%, 7.5%, 11%

HSLhsl(351.8, 63.5%, 20.4%)

HSV / HSBhsv(351.8, 77.6%, 33.3%)

CMYK0%, 77.6%, 67.1%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,575,452

CSS custom property--colour: #55131C;

Brightness & contrast

Relative luminance0.02481WCAG 2.x, 0 is black and 1 is white

Perceived brightness49.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.04:1

Contrast with white14.04:1WCAG normal text: AAA

Contrast with black1.5:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#AAECE3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#25231Cno red cones; affects about 1% of men; ΔE 32.4 from the original

Deuteranopia#36311Ano green cones; the most common form, about 1% of men; ΔE 32.8 from the original

Tritanopia#5E0217no blue cones; rare, and affects men and women equally; ΔE 9 from the original

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

Contrast with white, large text14.04:1WCAG large text: AAA

Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Maroon · ΔE 32.2 Brown · ΔE 33 Sienna · ΔE 35.2 Saddle brown · ΔE 35.3 Dark red · ΔE 37.1 Black · ΔE 37.5

Nearest named CSS colourMaroon (#800000)ΔE 32.22, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#13554C

Analogous#55133D, #552B13

Triadic#1C5513, #131C55

Split complementary#13552B, #133D55

Tetradic#3D5513, #13554C, #2B1355

Tints, shades & saturation

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

Lighter +40%#DA5A6B

Lighter +30%#D13046

Lighter +20%#A82637

Lighter +10%#7F1C2A

Darker −10%#2B0A0E

Darker −20%#020001

Darker −30%#000000

Darker −40%#000000

More saturated +25%#620613

Less saturated −25%#482025

Channel breakdown

R85

G19

B28

Red85 (33.3%)

Green19 (7.5%)

Blue28 (11%)

Hue351.82°

Saturation (HSL)63.46%

Lightness20.39%

Dominant channelRed

Hex per channelR 55 · G 13 · B 1C

Keep nerding

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#55131C

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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