Recognised as Colour

#C22440

#C22440
Red
Dark
Nearest: Crimson

#C22440 is a red with RGB values 194, 36, 64 and HSL 349°, 69%, 45%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C22440#C22440

HEX#C22440

RGBrgb(194, 36, 64)

RGB (0–1)0.7608, 0.1412, 0.251

RGB percentages76.1%, 14.1%, 25.1%

HSLhsl(349.4, 68.7%, 45.1%)

HSV / HSBhsv(349.4, 81.4%, 76.1%)

CMYK0%, 81.4%, 67%, 23.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,723,264

CSS custom property--colour: #C22440;

Brightness & contrast

Relative luminance0.13101WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.8:1

Contrast with white5.8:1WCAG normal text: AA

Contrast with black3.62:1WCAG normal text: Fail

Greyscale equivalent#484848

Inverted#3DDBBF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#555040no red cones; affects about 1% of men; ΔE 64.5 from the original

Deuteranopia#7C713Bno green cones; the most common form, about 1% of men; ΔE 65.2 from the original

Tritanopia#D50031no blue cones; rare, and affects men and women equally; ΔE 15.6 from the original

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

Contrast with white, large text5.8:1WCAG large text: AAA

Contrast with black, large text3.62:1WCAG large text: AA

Named colours

Crimson · ΔE 13.6 Brown · ΔE 13.9 Firebrick · ΔE 14.3 Indian red · ΔE 19.7 Dark red · ΔE 24.3 Maroon · ΔE 25.4

Nearest named CSS colourCrimson (#DC143C)ΔE 13.64, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#24C2A6

Analogous#C2248F, #C25724

Triadic#40C224, #2440C2

Split complementary#24C257, #248FC2

Tetradic#8FC224, #24C2A6, #5724C2

Tints, shades & saturation

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

Lighter +40%#F3BFC8

Lighter +30%#EB94A3

Lighter +20%#E3697F

Lighter +10%#DB3E5A

Darker −10%#971C32

Darker −20%#6C1424

Darker −30%#410C15

Darker −40%#160407

More saturated +25%#DF072D

Less saturated −25%#A54153

Channel breakdown

R194

G36

B64

Red194 (76.1%)

Green36 (14.1%)

Blue64 (25.1%)

Hue349.37°

Saturation (HSL)68.7%

Lightness45.1%

Dominant channelRed

Hex per channelR C2 · G 24 · B 40

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C22440 (chemical formula)

Formula
269,526.84 g/mol
22440 atoms

C22440 has a molar mass of 269,526.84 g/mol, made up of 22440 atoms across 1 element: 22440 × C.

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Molar mass

Molar mass269,526.84 g/mol

Total atoms per molecule22440

Distinct elements1

Mass of one molecule4.4755985 × 10^-19 g

Molecules per gram2.2343381 × 10^18

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 × 22440)269,526.84 g/mol, 100%

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Elements in this formula

Carbon

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