Recognised as Colour

#C54049

#C54049
Red
Dark
Nearest: Indian red

#C54049 is a red with RGB values 197, 64, 73 and HSL 356°, 53%, 51%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#C54049#C54049

HEX#C54049

RGBrgb(197, 64, 73)

RGB (0–1)0.7725, 0.251, 0.2863

RGB percentages77.3%, 25.1%, 28.6%

HSLhsl(355.9, 53.4%, 51.2%)

HSV / HSBhsv(355.9, 67.5%, 77.3%)

CMYK0%, 67.5%, 62.9%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,927,049

CSS custom property--colour: #C54049;

Brightness & contrast

Relative luminance0.16018WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5:1

Contrast with white5:1WCAG normal text: AA

Contrast with black4.2:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#3ABFB6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#635E48no red cones; affects about 1% of men; ΔE 56.9 from the original

Deuteranopia#857A45no green cones; the most common form, about 1% of men; ΔE 57.3 from the original

Tritanopia#D81F44no 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 text5:1WCAG large text: AAA

Contrast with black, large text4.2:1WCAG large text: AA

Named colours

Indian red · ΔE 10.9 Brown · ΔE 11.7 Firebrick · ΔE 15.3 Crimson · ΔE 19.7 Salmon · ΔE 22.2 Light coral · ΔE 22.4

Nearest named CSS colourIndian red (#CD5C5C)ΔE 10.93, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#40C5BC

Analogous#C5408C, #C57A40

Triadic#49C540, #4049C5

Split complementary#40C57A, #408CC5

Tetradic#8BC540, #40C5BC, #7940C5

Tints, shades & saturation

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

Lighter +40%#F5DCDE

Lighter +30%#E9B5B9

Lighter +20%#DD8E94

Lighter +10%#D1676E

Darker −10%#A13139

Darker −20%#7A252B

Darker −30%#53191D

Darker −40%#2C0D0F

More saturated +25%#E4212E

Less saturated −25%#A65F64

Channel breakdown

R197

G64

B73

Red197 (77.3%)

Green64 (25.1%)

Blue73 (28.6%)

Hue355.94°

Saturation (HSL)53.41%

Lightness51.18%

Dominant channelRed

Hex per channelR C5 · G 40 · B 49

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C54049 (chemical formula)

Formula
649,182.539 g/mol
54049 atoms

C54049 has a molar mass of 649,182.539 g/mol, made up of 54049 atoms across 1 element: 54049 × C.

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Molar mass

Molar mass649,182.539 g/mol

Total atoms per molecule54049

Distinct elements1

Mass of one molecule1.077993 × 10^-18 g

Molecules per gram9.2764984 × 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 × 54049)649,182.539 g/mol, 100%

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Elements in this formula

Carbon

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