Colour

#89002F

#89002F
Red
Dark
Nearest: Brown

#89002F is a red with RGB values 137, 0, 47 and HSL 339°, 100%, 27%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#89002F#89002F

HEX#89002F

RGBrgb(137, 0, 47)

RGB (0–1)0.5373, 0, 0.1843

RGB percentages53.7%, 0%, 18.4%

HSLhsl(339.4, 100%, 26.9%)

HSV / HSBhsv(339.4, 100%, 53.7%)

CMYK0%, 100%, 65.7%, 46.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,978,479

CSS custom property--colour: #89002F;

Brightness & contrast

Relative luminance0.05524WCAG 2.x, 0 is black and 1 is white

Perceived brightness76.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.98:1

Contrast with white9.98:1WCAG normal text: AAA

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

Greyscale equivalent#212121

Inverted#76FFD0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#32322Fno red cones; affects about 1% of men; ΔE 54.7 from the original

Deuteranopia#524C2Bno green cones; the most common form, about 1% of men; ΔE 55.4 from the original

Tritanopia#970019no blue cones; rare, and affects men and women equally; ΔE 18.7 from the original

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

Contrast with white, large text9.98:1WCAG large text: AAA

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

Named colours

Brown · ΔE 18.7 Maroon · ΔE 24 Firebrick · ΔE 25.9 Dark red · ΔE 26.8 Indian red · ΔE 27.3 Crimson · ΔE 32.8

Nearest named CSS colourBrown (#A52A2A)ΔE 18.66, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00895A

Analogous#890074, #891600

Triadic#2F8900, #002F89

Split complementary#008915, #007489

Tetradic#738900, #00895A, #150089

Tints, shades & saturation

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

Lighter +40%#FF5690

Lighter +30%#FF236E

Lighter +20%#EF0052

Lighter +10%#BC0040

Darker −10%#56001E

Darker −20%#23000C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#89002F

Less saturated −25%#781134

Channel breakdown

R137

B47

Red137 (53.7%)

Green0 (0%)

Blue47 (18.4%)

Hue339.42°

Saturation (HSL)100%

Lightness26.86%

Dominant channelRed

Hex per channelR 89 · G 00 · B 2F

Keep nerding

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#89002F

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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