Recognised as Colour

#C63550

#C63550
Red
Dark
Nearest: Indian red

#C63550 is a red with RGB values 198, 53, 80 and HSL 349°, 58%, 49%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#C63550#C63550

HEX#C63550

RGBrgb(198, 53, 80)

RGB (0–1)0.7765, 0.2078, 0.3137

RGB percentages77.6%, 20.8%, 31.4%

HSLhsl(348.8, 57.8%, 49.2%)

HSV / HSBhsv(348.8, 73.2%, 77.6%)

CMYK0%, 73.2%, 59.6%, 22.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,989,776

CSS custom property--colour: #C63550;

Brightness & contrast

Relative luminance0.15131WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.22:1

Contrast with white5.22:1WCAG normal text: AA

Contrast with black4.03:1WCAG normal text: Fail

Greyscale equivalent#565656

Inverted#39CAAF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C5950no red cones; affects about 1% of men; ΔE 60.8 from the original

Deuteranopia#81774Cno green cones; the most common form, about 1% of men; ΔE 61.4 from the original

Tritanopia#D90240no blue cones; rare, and affects men and women equally; ΔE 17.5 from the original

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

Contrast with white, large text5.22:1WCAG large text: AAA

Contrast with black, large text4.03:1WCAG large text: AA

Named colours

Indian red · ΔE 15.7 Brown · ΔE 16.5 Crimson · ΔE 19.4 Firebrick · ΔE 19.9 Light coral · ΔE 25.5 Pale violetred · ΔE 26.9

Nearest named CSS colourIndian red (#CD5C5C)ΔE 15.65, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#35C6AB

Analogous#C63599, #C66335

Triadic#50C635, #3550C6

Split complementary#35C663, #3599C6

Tetradic#98C635, #35C6AB, #6235C6

Tints, shades & saturation

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

Lighter +40%#F3D4DA

Lighter +30%#E9ABB7

Lighter +20%#DE8394

Lighter +10%#D35B71

Darker −10%#9E2A40

Darker −20%#761F2F

Darker −30%#4D151F

Darker −40%#250A0F

More saturated +25%#E5163C

Less saturated −25%#A75464

Channel breakdown

R198

G53

B80

Red198 (77.6%)

Green53 (20.8%)

Blue80 (31.4%)

Hue348.83°

Saturation (HSL)57.77%

Lightness49.22%

Dominant channelRed

Hex per channelR C6 · G 35 · B 50

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C63550 (chemical formula)

Formula
763,299.05 g/mol
63550 atoms

C63550 has a molar mass of 763,299.05 g/mol, made up of 63550 atoms across 1 element: 63550 × C.

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Molar mass

Molar mass763,299.05 g/mol

Total atoms per molecule63550

Distinct elements1

Mass of one molecule1.2674879 × 10^-18 g

Molecules per gram7.8896217 × 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 × 63550)763,299.05 g/mol, 100%

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Elements in this formula

Carbon

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