Recognised as Colour

#C5203C

#C5203C
Red
Dark
Nearest: Crimson

#C5203C is a red with RGB values 197, 32, 60 and HSL 350°, 72%, 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

#C5203C#C5203C

HEX#C5203C

RGBrgb(197, 32, 60)

RGB (0–1)0.7725, 0.1255, 0.2353

RGB percentages77.3%, 12.5%, 23.5%

HSLhsl(349.8, 72.1%, 44.9%)

HSV / HSBhsv(349.8, 83.8%, 77.3%)

CMYK0%, 83.8%, 69.5%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,918,844

CSS custom property--colour: #C5203C;

Brightness & contrast

Relative luminance0.1323WCAG 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 5.76:1

Contrast with white5.76:1WCAG normal text: AA

Contrast with black3.65:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#3ADFC3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#55503Cno red cones; affects about 1% of men; ΔE 66.8 from the original

Deuteranopia#7E7237no green cones; the most common form, about 1% of men; ΔE 66.8 from the original

Tritanopia#D9002Dno blue cones; rare, and affects men and women equally; ΔE 15.7 from the original

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

Contrast with white, large text5.76:1WCAG large text: AAA

Contrast with black, large text3.65:1WCAG large text: AA

Named colours

Crimson · ΔE 10.7 Firebrick · ΔE 12.7 Brown · ΔE 14.5 Indian red · ΔE 21.5 Dark red · ΔE 23.4 Maroon · ΔE 25.1

Nearest named CSS colourCrimson (#DC143C)ΔE 10.73, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#20C5A9

Analogous#C5208F, #C55620

Triadic#3CC520, #203CC5

Split complementary#20C556, #208FC5

Tetradic#8FC520, #20C5A9, #5620C5

Tints, shades & saturation

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

Lighter +40%#F4BDC6

Lighter +30%#ED91A1

Lighter +20%#E6657B

Lighter +10%#DF3955

Darker −10%#99192F

Darker −20%#6D1221

Darker −30%#410B14

Darker −40%#160307

More saturated +25%#E20329

Less saturated −25%#A83D4F

Channel breakdown

R197

G32

B60

Red197 (77.3%)

Green32 (12.5%)

Blue60 (23.5%)

Hue349.82°

Saturation (HSL)72.05%

Lightness44.9%

Dominant channelRed

Hex per channelR C5 · G 20 · B 3C

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

C5203C (chemical formula)

Formula
62,505.244 g/mol
5204 atoms

C5203C has a molar mass of 62,505.244 g/mol, made up of 5204 atoms across 1 element: 5204 × C.

Open this reading on its own page →

Molar mass

Molar mass62,505.244 g/mol

Total atoms per molecule5204

Distinct elements1

Mass of one molecule1.037924 × 10^-19 g

Molecules per gram9.6346168 × 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 × 5204)62,505.244 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Carbon

Nerdulate something else

Nothing in mind? Surprise me · today’s page