Colour

#A9023D

#A9023D
Red
Dark
Nearest: Brown

#A9023D is a red with RGB values 169, 2, 61 and HSL 339°, 98%, 34%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A9023D#A9023D

HEX#A9023D

RGBrgb(169, 2, 61)

RGB (0–1)0.6627, 0.0078, 0.2392

RGB percentages66.3%, 0.8%, 23.9%

HSLhsl(338.8, 97.7%, 33.5%)

HSV / HSBhsv(338.8, 98.8%, 66.3%)

CMYK0%, 98.8%, 63.9%, 33.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,076,157

CSS custom property--colour: #A9023D;

Brightness & contrast

Relative luminance0.08815WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.6:1

Contrast with white7.6:1WCAG normal text: AAA

Contrast with black2.76:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#56FDC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#40403Eno red cones; affects about 1% of men; ΔE 63.3 from the original

Deuteranopia#675F39no green cones; the most common form, about 1% of men; ΔE 63.8 from the original

Tritanopia#BA0023no blue cones; rare, and affects men and women equally; ΔE 21.4 from the original

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

Contrast with white, large text7.6:1WCAG large text: AAA

Contrast with black, large text2.76:1WCAG large text: Fail

Named colours

Brown · ΔE 17.8 Firebrick · ΔE 22 Crimson · ΔE 23.1 Indian red · ΔE 24.3 Maroon · ΔE 26.9 Dark red · ΔE 27.6

Nearest named CSS colourBrown (#A52A2A)ΔE 17.84, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#02A96E

Analogous#A90291, #A91A02

Triadic#3DA902, #023DA9

Split complementary#02A91A, #0291A9

Tetradic#91A902, #02A96E, #1A02A9

Tints, shades & saturation

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

Lighter +40%#FD7AA8

Lighter +30%#FD4787

Lighter +20%#FC1567

Lighter +10%#DB034F

Darker −10%#77012B

Darker −20%#440119

Darker −30%#120006

Darker −40%#000000

More saturated +25%#AB003C

Less saturated −25%#941743

Channel breakdown

R169

B61

Red169 (66.3%)

Green2 (0.8%)

Blue61 (23.9%)

Hue338.8°

Saturation (HSL)97.66%

Lightness33.53%

Dominant channelRed

Hex per channelR A9 · G 02 · B 3D

Keep nerding

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

#A9023D

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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