Recognised as Colour

#C8377B

#C8377B
Red
Dark
Nearest: Medium violet red

#C8377B is a red with RGB values 200, 55, 123 and HSL 332°, 57%, 50%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#C8377B#C8377B

HEX#C8377B

RGBrgb(200, 55, 123)

RGB (0–1)0.7843, 0.2157, 0.4824

RGB percentages78.4%, 21.6%, 48.2%

HSLhsl(331.9, 56.9%, 50%)

HSV / HSBhsv(331.9, 72.5%, 78.4%)

CMYK0%, 72.5%, 38.5%, 21.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,121,403

CSS custom property--colour: #C8377B;

Brightness & contrast

Relative luminance0.16442WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.9:1

Contrast with white4.9:1WCAG normal text: AA

Contrast with black4.29:1WCAG normal text: Fail

Greyscale equivalent#5B5B5B

Inverted#37C884

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#54607Dno red cones; affects about 1% of men; ΔE 60.7 from the original

Deuteranopia#7C7B78no green cones; the most common form, about 1% of men; ΔE 62.4 from the original

Tritanopia#D82654no blue cones; rare, and affects men and women equally; ΔE 25.4 from the original

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

Contrast with white, large text4.9:1WCAG large text: AAA

Contrast with black, large text4.29:1WCAG large text: AA

Named colours

Medium violet red · ΔE 14.1 Hot pink · ΔE 19 Pale violetred · ΔE 21.5 Deep pink · ΔE 24.3 Indian red · ΔE 32.4 Orchid · ΔE 33.9

Nearest named CSS colourMedium violet red (#C71585)ΔE 14.13, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#37C884

Analogous#C837C4, #C83C37

Triadic#7BC837, #377BC8

Split complementary#37C83C, #37C4C8

Tetradic#C3C837, #37C884, #3B37C8

Tints, shades & saturation

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

Lighter +40%#F4D7E5

Lighter +30%#E9AFCA

Lighter +20%#DE87B0

Lighter +10%#D35F95

Darker −10%#A02C62

Darker −20%#78214A

Darker −30%#501631

Darker −40%#280B19

More saturated +25%#E81779

Less saturated −25%#A8577D

Channel breakdown

R200

G55

B123

Red200 (78.4%)

Green55 (21.6%)

Blue123 (48.2%)

Hue331.86°

Saturation (HSL)56.86%

Lightness50%

Dominant channelRed

Hex per channelR C8 · G 37 · B 7B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C8377B (chemical formula)

Formula
100,626.957 g/mol
8378 atoms

C8377B has a molar mass of 100,626.957 g/mol, made up of 8378 atoms across 2 elements: 8377 × C, 1 × B.

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Molar mass

Molar mass100,626.957 g/mol

Total atoms per molecule8378

Distinct elements2

Mass of one molecule1.6709499 × 10^-19 g

Molecules per gram5.9846198 × 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%

B0%

Carbon (C × 8377)100,616.147 g/mol, 99.989%

Boron (B)10.81 g/mol, 0.011%

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