Colour

#5B232B

#5B232B
Red
Dark
Nearest: Sienna

#5B232B is a red with RGB values 91, 35, 43 and HSL 351°, 44%, 25%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Sienna.

Colour values

#5B232B#5B232B

HEX#5B232B

RGBrgb(91, 35, 43)

RGB (0–1)0.3569, 0.1373, 0.1686

RGB percentages35.7%, 13.7%, 16.9%

HSLhsl(351.4, 44.4%, 24.7%)

HSV / HSBhsv(351.4, 61.5%, 35.7%)

CMYK0%, 61.5%, 52.7%, 64.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,972,779

CSS custom property--colour: #5B232B;

Brightness & contrast

Relative luminance0.03601WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.21:1

Contrast with white12.21:1WCAG normal text: AAA

Contrast with black1.72:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#A4DCD4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2F2E2Bno red cones; affects about 1% of men; ΔE 27.6 from the original

Deuteranopia#3D3A2Ano green cones; the most common form, about 1% of men; ΔE 28.5 from the original

Tritanopia#631B26no blue cones; rare, and affects men and women equally; ΔE 7.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.21:1WCAG large text: AAA

Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Sienna · ΔE 35.3 Dim grey · ΔE 35.4 Black · ΔE 35.5 Brown · ΔE 35.9 Saddle brown · ΔE 36.5 Maroon · ΔE 37.3

Nearest named CSS colourSienna (#A0522D)ΔE 35.33, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#235B53

Analogous#5B2347, #5B3723

Triadic#2B5B23, #232B5B

Split complementary#235B37, #23475B

Tetradic#475B23, #235B53, #37235B

Tints, shades & saturation

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

Lighter +40%#CD7D88

Lighter +30%#BF5867

Lighter +20%#A53F4E

Lighter +10%#80313C

Darker −10%#36151A

Darker −20%#110708

Darker −30%#000000

Darker −40%#000000

More saturated +25%#6B1320

Less saturated −25%#4B3336

Channel breakdown

R91

G35

B43

Red91 (35.7%)

Green35 (13.7%)

Blue43 (16.9%)

Hue351.43°

Saturation (HSL)44.44%

Lightness24.71%

Dominant channelRed

Hex per channelR 5B · G 23 · B 2B

Keep nerding

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#5B232B

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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