Colour

#A9033A

#A9033A
Red
Dark
Nearest: Brown

#A9033A is a red with RGB values 169, 3, 58 and HSL 340°, 97%, 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

#A9033A#A9033A

HEX#A9033A

RGBrgb(169, 3, 58)

RGB (0–1)0.6627, 0.0118, 0.2275

RGB percentages66.3%, 1.2%, 22.7%

HSLhsl(340.1, 96.5%, 33.7%)

HSV / HSBhsv(340.1, 98.2%, 66.3%)

CMYK0%, 98.2%, 65.7%, 33.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,076,410

CSS custom property--colour: #A9033A;

Brightness & contrast

Relative luminance0.08806WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.61:1

Contrast with white7.61:1WCAG normal text: AAA

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

Greyscale equivalent#2A2A2A

Inverted#56FCC5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#413F3Ano red cones; affects about 1% of men; ΔE 62.8 from the original

Deuteranopia#675F36no green cones; the most common form, about 1% of men; ΔE 63.8 from the original

Tritanopia#BA0021no blue cones; rare, and affects men and women equally; ΔE 20.7 from the original

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

Contrast with white, large text7.61:1WCAG large text: AAA

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

Named colours

Brown · ΔE 16.2 Firebrick · ΔE 20.1 Crimson · ΔE 21.9 Indian red · ΔE 23.8 Maroon · ΔE 25.2 Dark red · ΔE 25.8

Nearest named CSS colourBrown (#A52A2A)ΔE 16.17, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03A972

Analogous#A9038D, #A91F03

Triadic#3AA903, #033AA9

Split complementary#03A91F, #038DA9

Tetradic#8DA903, #03A972, #1F03A9

Tints, shades & saturation

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

Lighter +40%#FD7BA6

Lighter +30%#FC4984

Lighter +20%#FB1763

Lighter +10%#DB044B

Darker −10%#770229

Darker −20%#450118

Darker −30%#130006

Darker −40%#000000

More saturated +25%#AC0039

Less saturated −25%#931841

Channel breakdown

R169

B58

Red169 (66.3%)

Green3 (1.2%)

Blue58 (22.7%)

Hue340.12°

Saturation (HSL)96.51%

Lightness33.73%

Dominant channelRed

Hex per channelR A9 · G 03 · B 3A

Keep nerding

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

#A9033A

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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