Colour

#89001E

#89001E
Red
Dark
Nearest: Brown

#89001E is a red with RGB values 137, 0, 30 and HSL 347°, 100%, 27%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#89001E#89001E

HEX#89001E

RGBrgb(137, 0, 30)

RGB (0–1)0.5373, 0, 0.1176

RGB percentages53.7%, 0%, 11.8%

HSLhsl(346.9, 100%, 26.9%)

HSV / HSBhsv(346.9, 100%, 53.7%)

CMYK0%, 100%, 78.1%, 46.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,978,462

CSS custom property--colour: #89001E;

Brightness & contrast

Relative luminance0.05412WCAG 2.x, 0 is black and 1 is white

Perceived brightness75.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.08:1

Contrast with white10.08:1WCAG normal text: AAA

Contrast with black2.08:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#76FFE1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#35301Eno red cones; affects about 1% of men; ΔE 54.4 from the original

Deuteranopia#544B19no green cones; the most common form, about 1% of men; ΔE 54.6 from the original

Tritanopia#980010no blue cones; rare, and affects men and women equally; ΔE 13.4 from the original

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

Contrast with white, large text10.08:1WCAG large text: AAA

Contrast with black, large text2.08:1WCAG large text: Fail

Named colours

Brown · ΔE 11 Maroon · ΔE 13.1 Dark red · ΔE 15.8 Firebrick · ΔE 17.2 Indian red · ΔE 26.5 Crimson · ΔE 28.7

Nearest named CSS colourBrown (#A52A2A)ΔE 10.98, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00896B

Analogous#890062, #892700

Triadic#1E8900, #001E89

Split complementary#008927, #006289

Tetradic#628900, #00896B, #270089

Tints, shades & saturation

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

Lighter +40%#FF567B

Lighter +30%#FF2353

Lighter +20%#EF0034

Lighter +10%#BC0029

Darker −10%#560013

Darker −20%#230008

Darker −30%#000000

Darker −40%#000000

More saturated +25%#89001E

Less saturated −25%#781128

Channel breakdown

R137

B30

Red137 (53.7%)

Green0 (0%)

Blue30 (11.8%)

Hue346.86°

Saturation (HSL)100%

Lightness26.86%

Dominant channelRed

Hex per channelR 89 · G 00 · B 1E

Keep nerding

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#89001E

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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