Colour

#A63C22

#A63C22
Red
Dark
Nearest: Brown

#A63C22 is a red with RGB values 166, 60, 34 and HSL 12°, 66%, 39%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#A63C22#A63C22

HEX#A63C22

RGBrgb(166, 60, 34)

RGB (0–1)0.651, 0.2353, 0.1333

RGB percentages65.1%, 23.5%, 13.3%

HSLhsl(11.8, 66%, 39.2%)

HSV / HSBhsv(11.8, 79.5%, 65.1%)

CMYK0%, 63.9%, 79.5%, 34.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,894,370

CSS custom property--colour: #A63C22;

Brightness & contrast

Relative luminance0.11454WCAG 2.x, 0 is black and 1 is white

Perceived brightness102.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.38:1

Contrast with white6.38:1WCAG normal text: AA

Contrast with black3.29:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#59C3DD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5A501Eno red cones; affects about 1% of men; ΔE 46.2 from the original

Deuteranopia#74681Eno green cones; the most common form, about 1% of men; ΔE 46.9 from the original

Tritanopia#B72037no blue cones; rare, and affects men and women equally; ΔE 20 from the original

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

Contrast with white, large text6.38:1WCAG large text: AAA

Contrast with black, large text3.29:1WCAG large text: AA

Named colours

Brown · ΔE 10.9 Firebrick · ΔE 13.7 Sienna · ΔE 13.7 Dark red · ΔE 15.3 Maroon · ΔE 15.9 Saddle brown · ΔE 16.4

Nearest named CSS colourBrown (#A52A2A)ΔE 10.95, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#228CA6

Analogous#A6224A, #A67E22

Triadic#22A63C, #3C22A6

Split complementary#22A67E, #224AA6

Tetradic#4AA622, #228CA6, #7E22A6

Tints, shades & saturation

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

Lighter +40%#EDB5A7

Lighter +30%#E4917D

Lighter +20%#DC6D52

Lighter +10%#D04B2B

Darker −10%#7C2D19

Darker −20%#511D11

Darker −30%#270E08

Darker −40%#000000

More saturated +25%#BF2D09

Less saturated −25%#8D4B3B

Channel breakdown

R166

G60

B34

Red166 (65.1%)

Green60 (23.5%)

Blue34 (13.3%)

Hue11.82°

Saturation (HSL)66%

Lightness39.22%

Dominant channelRed

Hex per channelR A6 · G 3C · B 22

Keep nerding

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

#A63C22

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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