Recognised as Colour

#C80812

#C80812
Red
Dark
Nearest: Firebrick

#C80812 is a red with RGB values 200, 8, 18 and HSL 357°, 92%, 41%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C80812#C80812

HEX#C80812

RGBrgb(200, 8, 18)

RGB (0–1)0.7843, 0.0314, 0.0706

RGB percentages78.4%, 3.1%, 7.1%

HSLhsl(356.9, 92.3%, 40.8%)

HSV / HSBhsv(356.9, 96%, 78.4%)

CMYK0%, 96%, 91%, 21.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,109,266

CSS custom property--colour: #C80812;

Brightness & contrast

Relative luminance0.12497WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6:1

Contrast with white6:1WCAG normal text: AA

Contrast with black3.5:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#37F7ED

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#544A0Dno red cones; affects about 1% of men; ΔE 71.6 from the original

Deuteranopia#7F7100no green cones; the most common form, about 1% of men; ΔE 71.5 from the original

Tritanopia#DD0012no blue cones; rare, and affects men and women equally; ΔE 8.8 from the original

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

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

Contrast with black, large text3.5:1WCAG large text: AA

Named colours

Firebrick · ΔE 16.1 Crimson · ΔE 17.6 Tomato · ΔE 22.1 Dark red · ΔE 22.2 Orange red · ΔE 24.7 Red · ΔE 25

Nearest named CSS colourFirebrick (#B22222)ΔE 16.13, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#08C8BE

Analogous#C80872, #C85E08

Triadic#12C808, #0812C8

Split complementary#08C85E, #0872C8

Tetradic#72C808, #08C8BE, #5E08C8

Tints, shades & saturation

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

Lighter +40%#FBA1A5

Lighter +30%#F97077

Lighter +20%#F73F48

Lighter +10%#F50E1A

Darker −10%#97060E

Darker −20%#660409

Darker −30%#350205

Darker −40%#040000

More saturated +25%#D0000B

Less saturated −25%#AE2229

Channel breakdown

R200

B18

Red200 (78.4%)

Green8 (3.1%)

Blue18 (7.1%)

Hue356.88°

Saturation (HSL)92.31%

Lightness40.78%

Dominant channelRed

Hex per channelR C8 · G 08 · B 12

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C80812 (chemical formula)

Formula
970,632.932 g/mol
80812 atoms

C80812 has a molar mass of 970,632.932 g/mol, made up of 80812 atoms across 1 element: 80812 × C.

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Molar mass

Molar mass970,632.932 g/mol

Total atoms per molecule80812

Distinct elements1

Mass of one molecule1.6117739 × 10^-18 g

Molecules per gram6.2043442 × 10^17

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

C100%

Carbon (C × 80812)970,632.932 g/mol, 100%

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Elements in this formula

Carbon

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