Recognised as Colour

#C51353

#C51353
Red
Dark
Nearest: Crimson

#C51353 is a red with RGB values 197, 19, 83 and HSL 338°, 82%, 42%. 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

#C51353#C51353

HEX#C51353

RGBrgb(197, 19, 83)

RGB (0–1)0.7725, 0.0745, 0.3255

RGB percentages77.3%, 7.5%, 32.5%

HSLhsl(338.4, 82.4%, 42.4%)

HSV / HSBhsv(338.4, 90.4%, 77.3%)

CMYK0%, 90.4%, 57.9%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,915,539

CSS custom property--colour: #C51353;

Brightness & contrast

Relative luminance0.12961WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.85:1

Contrast with white5.85:1WCAG normal text: AA

Contrast with black3.59:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#3AECAC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4D4F54no red cones; affects about 1% of men; ΔE 68.8 from the original

Deuteranopia#79714Fno green cones; the most common form, about 1% of men; ΔE 69.6 from the original

Tritanopia#D80033no blue cones; rare, and affects men and women equally; ΔE 24.6 from the original

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

Contrast with white, large text5.85:1WCAG large text: AAA

Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Crimson · ΔE 21.6 Brown · ΔE 24.9 Indian red · ΔE 25.9 Firebrick · ΔE 27.2 Medium violet red · ΔE 28.5 Deep pink · ΔE 29.1

Nearest named CSS colourCrimson (#DC143C)ΔE 21.59, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#13C585

Analogous#C513AC, #C52C13

Triadic#53C513, #1353C5

Split complementary#13C52C, #13ACC5

Tetradic#ACC513, #13C585, #2C13C5

Tints, shades & saturation

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

Lighter +40%#F7ADC8

Lighter +30%#F37EA8

Lighter +20%#EE5089

Lighter +10%#EA2169

Darker −10%#960F3F

Darker −20%#680A2C

Darker −30%#390618

Darker −40%#0B0105

More saturated +25%#D8004E

Less saturated −25%#AA2E5B

Channel breakdown

R197

G19

B83

Red197 (77.3%)

Green19 (7.5%)

Blue83 (32.5%)

Hue338.43°

Saturation (HSL)82.41%

Lightness42.35%

Dominant channelRed

Hex per channelR C5 · G 13 · B 53

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C51353 (chemical formula)

Formula
616,800.883 g/mol
51353 atoms

C51353 has a molar mass of 616,800.883 g/mol, made up of 51353 atoms across 1 element: 51353 × C.

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Molar mass

Molar mass616,800.883 g/mol

Total atoms per molecule51353

Distinct elements1

Mass of one molecule1.024222 × 10^-18 g

Molecules per gram9.7635087 × 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 × 51353)616,800.883 g/mol, 100%

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Elements in this formula

Carbon

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