Colour

#55222B

#55222B
Red
Dark
Nearest: Black

#55222B is a red with RGB values 85, 34, 43 and HSL 349°, 43%, 23%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#55222B#55222B

HEX#55222B

RGBrgb(85, 34, 43)

RGB (0–1)0.3333, 0.1333, 0.1686

RGB percentages33.3%, 13.3%, 16.9%

HSLhsl(349.4, 42.9%, 23.3%)

HSV / HSBhsv(349.4, 60%, 33.3%)

CMYK0%, 60%, 49.4%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,579,307

CSS custom property--colour: #55222B;

Brightness & contrast

Relative luminance0.0325WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.73:1

Contrast with white12.73:1WCAG normal text: AAA

Contrast with black1.65:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#AADDD4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2D2C2Bno red cones; affects about 1% of men; ΔE 25.1 from the original

Deuteranopia#3A362Ano green cones; the most common form, about 1% of men; ΔE 25.5 from the original

Tritanopia#5D1C25no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.73:1WCAG large text: AAA

Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Black · ΔE 32.9 Dim grey · ΔE 34.5 Sienna · ΔE 37.8 Brown · ΔE 38.9 Saddle brown · ΔE 38.9 Dark slate grey · ΔE 39

Nearest named CSS colourBlack (#000000)ΔE 32.92, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22554C

Analogous#552245, #553222

Triadic#2B5522, #222B55

Split complementary#225532, #224555

Tetradic#455522, #22554C, #322255

Tints, shades & saturation

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

Lighter +40%#CA7988

Lighter +30%#BB5567

Lighter +20%#9E3F50

Lighter +10%#79313D

Darker −10%#311319

Darker −20%#0C0506

Darker −30%#000000

Darker −40%#000000

More saturated +25%#641321

Less saturated −25%#463135

Channel breakdown

R85

G34

B43

Red85 (33.3%)

Green34 (13.3%)

Blue43 (16.9%)

Hue349.41°

Saturation (HSL)42.86%

Lightness23.33%

Dominant channelRed

Hex per channelR 55 · G 22 · B 2B

Keep nerding

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#55222B

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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