Recognised as Colour

#81022F

#81022F
Red
Dark
Nearest: Brown

#81022F is a red with RGB values 129, 2, 47 and HSL 339°, 97%, 26%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#81022F#81022F

HEX#81022F

RGBrgb(129, 2, 47)

RGB (0–1)0.5059, 0.0078, 0.1843

RGB percentages50.6%, 0.8%, 18.4%

HSLhsl(338.7, 96.9%, 25.7%)

HSV / HSBhsv(338.7, 98.4%, 50.6%)

CMYK0%, 98.4%, 63.6%, 49.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,454,703

CSS custom property--colour: #81022F;

Brightness & contrast

Relative luminance0.04916WCAG 2.x, 0 is black and 1 is white

Perceived brightness72.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.59:1

Contrast with white10.59:1WCAG normal text: AAA

Contrast with black1.98:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#7EFDD0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2F2F30no red cones; affects about 1% of men; ΔE 51.4 from the original

Deuteranopia#4D472Cno green cones; the most common form, about 1% of men; ΔE 52.1 from the original

Tritanopia#8E001Ano blue cones; rare, and affects men and women equally; ΔE 17.9 from the original

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

Contrast with white, large text10.59:1WCAG large text: AAA

Contrast with black, large text1.98:1WCAG large text: Fail

Named colours

Brown · ΔE 21.6 Maroon · ΔE 26.1 Indian red · ΔE 29.1 Firebrick · ΔE 29.3 Dark red · ΔE 29.4 Sienna · ΔE 35.6

Nearest named CSS colourBrown (#A52A2A)ΔE 21.59, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#028154

Analogous#81026E, #811502

Triadic#2F8102, #022F81

Split complementary#028115, #026E81

Tetradic#6F8102, #028154, #150281

Tints, shades & saturation

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

Lighter +40%#FC538F

Lighter +30%#FC206E

Lighter +20%#E50454

Lighter +10%#B30341

Darker −10%#4F011D

Darker −20%#1D000A

Darker −30%#000000

Darker −40%#000000

More saturated +25%#83002E

Less saturated −25%#711234

Channel breakdown

R129

B47

Red129 (50.6%)

Green2 (0.8%)

Blue47 (18.4%)

Hue338.74°

Saturation (HSL)96.95%

Lightness25.69%

Dominant channelRed

Hex per channelR 81 · G 02 · B 2F

Keep nerding

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

#81022F

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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