Recognised as Colour

#C4263B

#C4263B
Red
Dark
Nearest: Firebrick

#C4263B is a red with RGB values 196, 38, 59 and HSL 352°, 68%, 46%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C4263B#C4263B

HEX#C4263B

RGBrgb(196, 38, 59)

RGB (0–1)0.7686, 0.149, 0.2314

RGB percentages76.9%, 14.9%, 23.1%

HSLhsl(352, 67.5%, 45.9%)

HSV / HSBhsv(352, 80.6%, 76.9%)

CMYK0%, 80.6%, 69.9%, 23.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,854,843

CSS custom property--colour: #C4263B;

Brightness & contrast

Relative luminance0.13438WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.69:1

Contrast with white5.69:1WCAG normal text: AA

Contrast with black3.69:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#3BD9C4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#57513Ano red cones; affects about 1% of men; ΔE 64.8 from the original

Deuteranopia#7E7236no green cones; the most common form, about 1% of men; ΔE 65 from the original

Tritanopia#D80030no blue cones; rare, and affects men and women equally; ΔE 14.5 from the original

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

Contrast with white, large text5.69:1WCAG large text: AAA

Contrast with black, large text3.69:1WCAG large text: AA

Named colours

Firebrick · ΔE 11.1 Crimson · ΔE 11.6 Brown · ΔE 12.9 Indian red · ΔE 20.1 Dark red · ΔE 22.2 Maroon · ΔE 24

Nearest named CSS colourFirebrick (#B22222)ΔE 11.14, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#26C4AF

Analogous#C4268A, #C46026

Triadic#3BC426, #263BC4

Split complementary#26C460, #268AC4

Tetradic#8AC426, #26C4AF, #6026C4

Tints, shades & saturation

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

Lighter +40%#F3C3C9

Lighter +30%#EB98A3

Lighter +20%#E36D7D

Lighter +10%#DA4357

Darker −10%#991E2E

Darker −20%#6F1521

Darker −30%#440D14

Darker −40%#190508

More saturated +25%#E10926

Less saturated −25%#A74350

Channel breakdown

R196

G38

B59

Red196 (76.9%)

Green38 (14.9%)

Blue59 (23.1%)

Hue352.03°

Saturation (HSL)67.52%

Lightness45.88%

Dominant channelRed

Hex per channelR C4 · G 26 · B 3B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C4263B (chemical formula)

Formula
51,213.703 g/mol
4264 atoms

C4263B has a molar mass of 51,213.703 g/mol, made up of 4264 atoms across 2 elements: 4263 × C, 1 × B.

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Molar mass

Molar mass51,213.703 g/mol

Total atoms per molecule4264

Distinct elements2

Mass of one molecule8.5042355 × 10^-20 g

Molecules per gram1.1758847 × 10^19

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%

B0%

Carbon (C × 4263)51,202.893 g/mol, 99.979%

Boron (B)10.81 g/mol, 0.021%

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