Recognised as Colour

#C70816

#C70816
Red
Dark
Nearest: Firebrick

#C70816 is a red with RGB values 199, 8, 22 and HSL 356°, 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

#C70816#C70816

HEX#C70816

RGBrgb(199, 8, 22)

RGB (0–1)0.7804, 0.0314, 0.0863

RGB percentages78%, 3.1%, 8.6%

HSLhsl(355.6, 92.3%, 40.6%)

HSV / HSBhsv(355.6, 96%, 78%)

CMYK0%, 96%, 88.9%, 22%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,043,734

CSS custom property--colour: #C70816;

Brightness & contrast

Relative luminance0.12374WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.04:1

Contrast with white6.04:1WCAG normal text: AA

Contrast with black3.47:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#38F7E9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#544A12no red cones; affects about 1% of men; ΔE 71.1 from the original

Deuteranopia#7E7004no green cones; the most common form, about 1% of men; ΔE 71.2 from the original

Tritanopia#DC0014no blue cones; rare, and affects men and women equally; ΔE 9.3 from the original

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

Contrast with white, large text6.04:1WCAG large text: AAA

Contrast with black, large text3.47:1WCAG large text: AA

Named colours

Firebrick · ΔE 14.5 Crimson · ΔE 16 Dark red · ΔE 21.3 Tomato · ΔE 22 Brown · ΔE 24.1 Maroon · ΔE 26.1

Nearest named CSS colourFirebrick (#B22222)ΔE 14.53, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#08C7B9

Analogous#C70875, #C75908

Triadic#16C708, #0816C7

Split complementary#08C759, #0876C7

Tetradic#76C708, #08C7B9, #5A08C7

Tints, shades & saturation

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

Lighter +40%#FBA0A7

Lighter +30%#F96F79

Lighter +20%#F73E4B

Lighter +10%#F50D1E

Darker −10%#960611

Darker −20%#65040B

Darker −30%#340206

Darker −40%#030000

More saturated +25%#CF000F

Less saturated −25%#AD222C

Channel breakdown

R199

B22

Red199 (78%)

Green8 (3.1%)

Blue22 (8.6%)

Hue355.6°

Saturation (HSL)92.27%

Lightness40.59%

Dominant channelRed

Hex per channelR C7 · G 08 · B 16

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C70816 (chemical formula)

Formula
850,570.976 g/mol
70816 atoms

C70816 has a molar mass of 850,570.976 g/mol, made up of 70816 atoms across 1 element: 70816 × C.

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Molar mass

Molar mass850,570.976 g/mol

Total atoms per molecule70816

Distinct elements1

Mass of one molecule1.4124063 × 10^-18 g

Molecules per gram7.0801155 × 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 × 70816)850,570.976 g/mol, 100%

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Elements in this formula

Carbon

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