Colour

#57231E

#57231E
Red
Dark
Nearest: Saddle brown

#57231E is a red with RGB values 87, 35, 30 and HSL 5°, 49%, 23%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#57231E#57231E

HEX#57231E

RGBrgb(87, 35, 30)

RGB (0–1)0.3412, 0.1373, 0.1176

RGB percentages34.1%, 13.7%, 11.8%

HSLhsl(5.3, 48.7%, 22.9%)

HSV / HSBhsv(5.3, 65.5%, 34.1%)

CMYK0%, 59.8%, 65.5%, 65.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,710,622

CSS custom property--colour: #57231E;

Brightness & contrast

Relative luminance0.03322WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.62:1

Contrast with white12.62:1WCAG normal text: AAA

Contrast with black1.66:1WCAG normal text: Fail

Greyscale equivalent#2E2E2E

Inverted#A8DCE1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#302C1Dno red cones; affects about 1% of men; ΔE 25.4 from the original

Deuteranopia#3D371Dno green cones; the most common form, about 1% of men; ΔE 25.5 from the original

Tritanopia#601A22no blue cones; rare, and affects men and women equally; ΔE 8.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.62:1WCAG large text: AAA

Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 30.6 Sienna · ΔE 31 Maroon · ΔE 33.8 Brown · ΔE 34.4 Black · ΔE 35.2 Dim grey · ΔE 36.4

Nearest named CSS colourSaddle brown (#8B4513)ΔE 30.63, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1E5257

Analogous#571E36, #573F1E

Triadic#1E5723, #231E57

Split complementary#1E5740, #1E3557

Tetradic#35571E, #1E5257, #401E57

Tints, shades & saturation

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

Lighter +40%#CF7B72

Lighter +30%#C1574D

Lighter +20%#A34238

Lighter +10%#7D322B

Darker −10%#311411

Darker −20%#0B0404

Darker −30%#000000

Darker −40%#000000

More saturated +25%#66170F

Less saturated −25%#482F2D

Channel breakdown

R87

G35

B30

Red87 (34.1%)

Green35 (13.7%)

Blue30 (11.8%)

Hue5.26°

Saturation (HSL)48.72%

Lightness22.94%

Dominant channelRed

Hex per channelR 57 · G 23 · B 1E

Keep nerding

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#57231E

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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