Colour

#83281E

#83281E
Red
Dark
Nearest: Brown

#83281E is a red with RGB values 131, 40, 30 and HSL 6°, 63%, 32%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#83281E#83281E

HEX#83281E

RGBrgb(131, 40, 30)

RGB (0–1)0.5137, 0.1569, 0.1176

RGB percentages51.4%, 15.7%, 11.8%

HSLhsl(5.9, 62.7%, 31.6%)

HSV / HSBhsv(5.9, 77.1%, 51.4%)

CMYK0%, 69.5%, 77.1%, 48.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,595,486

CSS custom property--colour: #83281E;

Brightness & contrast

Relative luminance0.06437WCAG 2.x, 0 is black and 1 is white

Perceived brightness78.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.18:1

Contrast with white9.18:1WCAG normal text: AAA

Contrast with black2.29:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#7CD7E1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#423B1Cno red cones; affects about 1% of men; ΔE 41.5 from the original

Deuteranopia#584F1Bno green cones; the most common form, about 1% of men; ΔE 42 from the original

Tritanopia#900D26no blue cones; rare, and affects men and women equally; ΔE 13.6 from the original

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

Contrast with white, large text9.18:1WCAG large text: AAA

Contrast with black, large text2.29:1WCAG large text: Fail

Named colours

Brown · ΔE 13.5 Maroon · ΔE 14.8 Sienna · ΔE 17.8 Dark red · ΔE 18.4 Saddle brown · ΔE 18.9 Firebrick · ΔE 21.8

Nearest named CSS colourBrown (#A52A2A)ΔE 13.53, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1E7983

Analogous#831E46, #835B1E

Triadic#1E8328, #281E83

Split complementary#1E835B, #1E4683

Tetradic#46831E, #1E7983, #5B1E83

Tints, shades & saturation

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

Lighter +40%#E49289

Lighter +30%#DA6C60

Lighter +20%#D14536

Lighter +10%#AC3528

Darker −10%#5A1B14

Darker −20%#300F0B

Darker −30%#070201

Darker −40%#000000

More saturated +25%#97180A

Less saturated −25%#6F3832

Channel breakdown

R131

G40

B30

Red131 (51.4%)

Green40 (15.7%)

Blue30 (11.8%)

Hue5.94°

Saturation (HSL)62.73%

Lightness31.57%

Dominant channelRed

Hex per channelR 83 · G 28 · B 1E

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#83281E

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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