Recognised as Colour

#81143F

#81143F
Red
Dark
Nearest: Brown

#81143F is a red with RGB values 129, 20, 63 and HSL 336°, 73%, 29%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#81143F#81143F

HEX#81143F

RGBrgb(129, 20, 63)

RGB (0–1)0.5059, 0.0784, 0.2471

RGB percentages50.6%, 7.8%, 24.7%

HSLhsl(336.3, 73.2%, 29.2%)

HSV / HSBhsv(336.3, 84.5%, 50.6%)

CMYK0%, 84.5%, 51.2%, 49.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,459,327

CSS custom property--colour: #81143F;

Brightness & contrast

Relative luminance0.05526WCAG 2.x, 0 is black and 1 is white

Perceived brightness75.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.97:1

Contrast with white9.97:1WCAG normal text: AAA

Contrast with black2.11:1WCAG normal text: Fail

Greyscale equivalent#2E2E2E

Inverted#7EEBC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#313540no red cones; affects about 1% of men; ΔE 47.6 from the original

Deuteranopia#4E4A3Cno green cones; the most common form, about 1% of men; ΔE 48.6 from the original

Tritanopia#8D0028no blue cones; rare, and affects men and women equally; ΔE 17.8 from the original

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

Contrast with white, large text9.97:1WCAG large text: AAA

Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Brown · ΔE 28.7 Indian red · ΔE 31.4 Pale violetred · ΔE 32.6 Medium violet red · ΔE 34.5 Maroon · ΔE 34.7 Firebrick · ΔE 36.9

Nearest named CSS colourBrown (#A52A2A)ΔE 28.74, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#148156

Analogous#811476, #811F14

Triadic#3F8114, #143F81

Split complementary#14811F, #147681

Tetradic#768114, #148156, #1F1481

Tints, shades & saturation

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

Lighter +40%#EA77A4

Lighter +30%#E34B87

Lighter +20%#D9226A

Lighter +10%#AD1B55

Darker −10%#550D29

Darker −20%#290614

Darker −30%#000000

Darker −40%#000000

More saturated +25%#94013B

Less saturated −25%#6E2743

Channel breakdown

R129

G20

B63

Red129 (50.6%)

Green20 (7.8%)

Blue63 (24.7%)

Hue336.33°

Saturation (HSL)73.15%

Lightness29.22%

Dominant channelRed

Hex per channelR 81 · G 14 · B 3F

Keep nerding

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#81143F

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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