Colour

#81242C

#81242C
Red
Dark
Nearest: Brown

#81242C is a red with RGB values 129, 36, 44 and HSL 355°, 56%, 32%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#81242C#81242C

HEX#81242C

RGBrgb(129, 36, 44)

RGB (0–1)0.5059, 0.1412, 0.1725

RGB percentages50.6%, 14.1%, 17.3%

HSLhsl(354.8, 56.4%, 32.4%)

HSV / HSBhsv(354.8, 72.1%, 50.6%)

CMYK0%, 72.1%, 65.9%, 49.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,463,404

CSS custom property--colour: #81242C;

Brightness & contrast

Relative luminance0.06111WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.45:1

Contrast with white9.45:1WCAG normal text: AAA

Contrast with black2.22:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#7EDBD3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3D392Cno red cones; affects about 1% of men; ΔE 42.5 from the original

Deuteranopia#554D29no green cones; the most common form, about 1% of men; ΔE 42.8 from the original

Tritanopia#8E0A28no blue cones; rare, and affects men and women equally; ΔE 11.6 from the original

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

Contrast with white, large text9.45:1WCAG large text: AAA

Contrast with black, large text2.22:1WCAG large text: Fail

Named colours

Brown · ΔE 17.4 Maroon · ΔE 21.8 Indian red · ΔE 24.5 Sienna · ΔE 24.9 Dark red · ΔE 25.6 Firebrick · ΔE 26.7

Nearest named CSS colourBrown (#A52A2A)ΔE 17.45, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#248179

Analogous#81245B, #814A24

Triadic#2C8124, #242C81

Split complementary#24814A, #245B81

Tetradic#5B8124, #248179, #4A2481

Tints, shades & saturation

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

Lighter +40%#E09198

Lighter +30%#D56972

Lighter +20%#CA414D

Lighter +10%#A92F3A

Darker −10%#59191E

Darker −20%#310E11

Darker −30%#090303

Darker −40%#000000

More saturated +25%#960F1B

Less saturated −25%#6C393D

Channel breakdown

R129

G36

B44

Red129 (50.6%)

Green36 (14.1%)

Blue44 (17.3%)

Hue354.84°

Saturation (HSL)56.36%

Lightness32.35%

Dominant channelRed

Hex per channelR 81 · G 24 · B 2C

Keep nerding

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#81242C

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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