Colour

#55002A

#55002A
Red
Dark
Nearest: Brown

#55002A is a red with RGB values 85, 0, 42 and HSL 330°, 100%, 17%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#55002A#55002A

HEX#55002A

RGBrgb(85, 0, 42)

RGB (0–1)0.3333, 0, 0.1647

RGB percentages33.3%, 0%, 16.5%

HSLhsl(330.4, 100%, 16.7%)

HSV / HSBhsv(330.4, 100%, 33.3%)

CMYK0%, 100%, 50.6%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,570,602

CSS custom property--colour: #55002A;

Brightness & contrast

Relative luminance0.02098WCAG 2.x, 0 is black and 1 is white

Perceived brightness48.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.79:1

Contrast with white14.79:1WCAG normal text: AAA

Contrast with black1.42:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#AAFFD5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#181E2Bno red cones; affects about 1% of men; ΔE 38.3 from the original

Deuteranopia#2F2D28no green cones; the most common form, about 1% of men; ΔE 38.9 from the original

Tritanopia#5D0015no blue cones; rare, and affects men and women equally; ΔE 17.5 from the original

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

Contrast with white, large text14.79:1WCAG large text: AAA

Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Brown · ΔE 39.6 Maroon · ΔE 41.1 Black · ΔE 41.6 Purple · ΔE 43.5 Indian red · ΔE 44.3 Pale violetred · ΔE 45.2

Nearest named CSS colourBrown (#A52A2A)ΔE 39.62, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00552B

Analogous#550054, #550100

Triadic#2A5500, #002A55

Split complementary#005501, #005455

Tetradic#545500, #00552B, #000055

Tints, shades & saturation

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

Lighter +40%#FF228F

Lighter +30%#EE0076

Lighter +20%#BB005C

Lighter +10%#880043

Darker −10%#220011

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#55002A

Less saturated −25%#4A0B2A

Channel breakdown

R85

B42

Red85 (33.3%)

Green0 (0%)

Blue42 (16.5%)

Hue330.35°

Saturation (HSL)100%

Lightness16.67%

Dominant channelRed

Hex per channelR 55 · G 00 · B 2A

Keep nerding

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#55002A

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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