Colour

#C81506

#C81506
Red
Dark
Nearest: Firebrick

#C81506 is a red with RGB values 200, 21, 6 and HSL 5°, 94%, 40%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C81506#C81506

HEX#C81506

RGBrgb(200, 21, 6)

RGB (0–1)0.7843, 0.0824, 0.0235

RGB percentages78.4%, 8.2%, 2.4%

HSLhsl(4.6, 94.2%, 40.4%)

HSV / HSBhsv(4.6, 97%, 78.4%)

CMYK0%, 89.5%, 97%, 21.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,112,582

CSS custom property--colour: #C81506;

Brightness & contrast

Relative luminance0.12829WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.89:1

Contrast with white5.89:1WCAG normal text: AA

Contrast with black3.57:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#37EAF9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#574C00no red cones; affects about 1% of men; ΔE 69.8 from the original

Deuteranopia#817200no green cones; the most common form, about 1% of men; ΔE 69.3 from the original

Tritanopia#DD0017no blue cones; rare, and affects men and women equally; ΔE 8.7 from the original

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

Contrast with white, large text5.89:1WCAG large text: AAA

Contrast with black, large text3.57:1WCAG large text: AA

Named colours

Firebrick · ΔE 18.9 Orange red · ΔE 21.3 Crimson · ΔE 22.1 Tomato · ΔE 22.2 Red · ΔE 23 Dark red · ΔE 23.6

Nearest named CSS colourFirebrick (#B22222)ΔE 18.94, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#06B9C8

Analogous#C80658, #C87606

Triadic#06C815, #1506C8

Split complementary#06C876, #0658C8

Tetradic#58C806, #06B9C8, #7606C8

Tints, shades & saturation

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

Lighter +40%#FCA59E

Lighter +30%#FB776C

Lighter +20%#F94A3B

Lighter +10%#F81C09

Darker −10%#961005

Darker −20%#650B03

Darker −30%#330502

Darker −40%#020000

More saturated +25%#CE1000

Less saturated −25%#AE2B20

Channel breakdown

R200

G21

Red200 (78.4%)

Green21 (8.2%)

Blue6 (2.4%)

Hue4.64°

Saturation (HSL)94.17%

Lightness40.39%

Dominant channelRed

Hex per channelR C8 · G 15 · B 06

Keep nerding

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

#C81506

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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