Colour

#8B002C

#8B002C
Red
Dark
Nearest: Brown

#8B002C is a red with RGB values 139, 0, 44 and HSL 341°, 100%, 27%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#8B002C#8B002C

HEX#8B002C

RGBrgb(139, 0, 44)

RGB (0–1)0.5451, 0, 0.1725

RGB percentages54.5%, 0%, 17.3%

HSLhsl(341, 100%, 27.3%)

HSV / HSBhsv(341, 100%, 54.5%)

CMYK0%, 100%, 68.3%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,109,548

CSS custom property--colour: #8B002C;

Brightness & contrast

Relative luminance0.05671WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.84:1

Contrast with white9.84:1WCAG normal text: AAA

Contrast with black2.13:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#74FFD3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#34322Cno red cones; affects about 1% of men; ΔE 54.9 from the original

Deuteranopia#544D28no green cones; the most common form, about 1% of men; ΔE 55.7 from the original

Tritanopia#990018no blue cones; rare, and affects men and women equally; ΔE 17.3 from the original

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

Contrast with white, large text9.84:1WCAG large text: AAA

Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Brown · ΔE 16.3 Maroon · ΔE 21.5 Firebrick · ΔE 23.3 Dark red · ΔE 24.2 Indian red · ΔE 26.4 Crimson · ΔE 30.9

Nearest named CSS colourBrown (#A52A2A)ΔE 16.31, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#008B5F

Analogous#8B0071, #8B1900

Triadic#2C8B00, #002C8B

Split complementary#008B19, #00728B

Tetradic#728B00, #008B5F, #1A008B

Tints, shades & saturation

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

Lighter +40%#FF588D

Lighter +30%#FF256A

Lighter +20%#F1004C

Lighter +10%#BE003C

Darker −10%#58001C

Darker −20%#25000C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#8B002C

Less saturated −25%#7A1132

Channel breakdown

R139

B44

Red139 (54.5%)

Green0 (0%)

Blue44 (17.3%)

Hue341.01°

Saturation (HSL)100%

Lightness27.25%

Dominant channelRed

Hex per channelR 8B · G 00 · B 2C

Keep nerding

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#8B002C

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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