Colour

#88001D

#88001D
Red
Dark
Nearest: Brown

#88001D is a red with RGB values 136, 0, 29 and HSL 347°, 100%, 27%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#88001D#88001D

HEX#88001D

RGBrgb(136, 0, 29)

RGB (0–1)0.5333, 0, 0.1137

RGB percentages53.3%, 0%, 11.4%

HSLhsl(347.2, 100%, 26.7%)

HSV / HSBhsv(347.2, 100%, 53.3%)

CMYK0%, 100%, 78.7%, 46.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,912,925

CSS custom property--colour: #88001D;

Brightness & contrast

Relative luminance0.05323WCAG 2.x, 0 is black and 1 is white

Perceived brightness75 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.17:1

Contrast with white10.17:1WCAG normal text: AAA

Contrast with black2.06:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#77FFE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#35301Dno red cones; affects about 1% of men; ΔE 54.2 from the original

Deuteranopia#544B18no green cones; the most common form, about 1% of men; ΔE 54.4 from the original

Tritanopia#96000Fno blue cones; rare, and affects men and women equally; ΔE 13 from the original

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

Contrast with white, large text10.17:1WCAG large text: AAA

Contrast with black, large text2.06:1WCAG large text: Fail

Named colours

Brown · ΔE 11 Maroon · ΔE 12.7 Dark red · ΔE 15.5 Firebrick · ΔE 17.2 Indian red · ΔE 26.7 Sienna · ΔE 28.7

Nearest named CSS colourBrown (#A52A2A)ΔE 11.02, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00886B

Analogous#880061, #882700

Triadic#1D8800, #001D88

Split complementary#008827, #006188

Tetradic#618800, #00886B, #270088

Tints, shades & saturation

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

Lighter +40%#FF5579

Lighter +30%#FF2251

Lighter +20%#EE0033

Lighter +10%#BB0028

Darker −10%#550012

Darker −20%#220007

Darker −30%#000000

Darker −40%#000000

More saturated +25%#88001D

Less saturated −25%#771127

Channel breakdown

R136

B29

Red136 (53.3%)

Green0 (0%)

Blue29 (11.4%)

Hue347.21°

Saturation (HSL)100%

Lightness26.67%

Dominant channelRed

Hex per channelR 88 · G 00 · B 1D

Keep nerding

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#88001D

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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