Colour

#A90F22

#A90F22
Red
Dark
Nearest: Firebrick

#A90F22 is a red with RGB values 169, 15, 34 and HSL 353°, 84%, 36%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A90F22#A90F22

HEX#A90F22

RGBrgb(169, 15, 34)

RGB (0–1)0.6627, 0.0588, 0.1333

RGB percentages66.3%, 5.9%, 13.3%

HSLhsl(352.6, 83.7%, 36.1%)

HSV / HSBhsv(352.6, 91.1%, 66.3%)

CMYK0%, 91.1%, 79.9%, 33.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,079,458

CSS custom property--colour: #A90F22;

Brightness & contrast

Relative luminance0.08892WCAG 2.x, 0 is black and 1 is white

Perceived brightness93.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.56:1

Contrast with white7.56:1WCAG normal text: AAA

Contrast with black2.78:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#56F0DD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#474021no red cones; affects about 1% of men; ΔE 61.7 from the original

Deuteranopia#6B5F1Bno green cones; the most common form, about 1% of men; ΔE 61.5 from the original

Tritanopia#BB001Ano blue cones; rare, and affects men and women equally; ΔE 11.3 from the original

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

Contrast with white, large text7.56:1WCAG large text: AAA

Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Firebrick · ΔE 5.5 Brown · ΔE 8.6 Dark red · ΔE 12.7 Maroon · ΔE 14.7 Crimson · ΔE 17.5 Indian red · ΔE 24.6

Nearest named CSS colourFirebrick (#B22222)ΔE 5.46, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0FA996

Analogous#A90F6F, #A9490F

Triadic#22A90F, #0F22A9

Split complementary#0FA949, #0F6FA9

Tetradic#6FA90F, #0FA996, #490FA9

Tints, shades & saturation

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

Lighter +40%#F58F9C

Lighter +30%#F16072

Lighter +20%#ED3148

Lighter +10%#D8132B

Darker −10%#7A0B19

Darker −20%#4B070F

Darker −30%#1C0306

Darker −40%#000000

More saturated +25%#B80017

Less saturated −25%#922633

Channel breakdown

R169

G15

B34

Red169 (66.3%)

Green15 (5.9%)

Blue34 (13.3%)

Hue352.6°

Saturation (HSL)83.7%

Lightness36.08%

Dominant channelRed

Hex per channelR A9 · G 0F · B 22

Keep nerding

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

#A90F22

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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