Colour

#8B3322

#8B3322
Red
Dark
Nearest: Sienna

#8B3322 is a red with RGB values 139, 51, 34 and HSL 10°, 61%, 34%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Sienna.

Colour values

#8B3322#8B3322

HEX#8B3322

RGBrgb(139, 51, 34)

RGB (0–1)0.5451, 0.2, 0.1333

RGB percentages54.5%, 20%, 13.3%

HSLhsl(9.7, 60.7%, 33.9%)

HSV / HSBhsv(9.7, 75.5%, 54.5%)

CMYK0%, 63.3%, 75.5%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,122,594

CSS custom property--colour: #8B3322;

Brightness & contrast

Relative luminance0.07972WCAG 2.x, 0 is black and 1 is white

Perceived brightness86.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.09:1

Contrast with white8.09:1WCAG normal text: AAA

Contrast with black2.59:1WCAG normal text: Fail

Greyscale equivalent#444444

Inverted#74CCDD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B4420no red cones; affects about 1% of men; ΔE 40.1 from the original

Deuteranopia#61571Fno green cones; the most common form, about 1% of men; ΔE 40.2 from the original

Tritanopia#991E2Fno blue cones; rare, and affects men and women equally; ΔE 15.6 from the original

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

Contrast with white, large text8.09:1WCAG large text: AAA

Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Sienna · ΔE 13.5 Brown · ΔE 13.7 Saddle brown · ΔE 15.4 Maroon · ΔE 16.5 Dark red · ΔE 19.4 Firebrick · ΔE 21.6

Nearest named CSS colourSienna (#A0522D)ΔE 13.47, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#227A8B

Analogous#8B2245, #8B6722

Triadic#228B33, #33228B

Split complementary#228B68, #22458B

Tetradic#458B22, #227A8B, #68228B

Tints, shades & saturation

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

Lighter +40%#E5A194

Lighter +30%#DB7D6B

Lighter +20%#D15942

Lighter +10%#B4422C

Darker −10%#622418

Darker −20%#39150E

Darker −30%#100604

Darker −40%#000000

More saturated +25%#A1240C

Less saturated −25%#754238

Channel breakdown

R139

G51

B34

Red139 (54.5%)

Green51 (20%)

Blue34 (13.3%)

Hue9.71°

Saturation (HSL)60.69%

Lightness33.92%

Dominant channelRed

Hex per channelR 8B · G 33 · B 22

Keep nerding

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#8B3322

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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