Recognised as Colour

#CB278F

#CB278F
Magenta
Dark
Nearest: Medium violet red

#CB278F is a magenta with RGB values 203, 39, 143 and HSL 322°, 68%, 47%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#CB278F#CB278F

HEX#CB278F

RGBrgb(203, 39, 143)

RGB (0–1)0.7961, 0.1529, 0.5608

RGB percentages79.6%, 15.3%, 56.1%

HSLhsl(322, 67.8%, 47.5%)

HSV / HSBhsv(322, 80.8%, 79.6%)

CMYK0%, 80.8%, 29.6%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,313,935

CSS custom property--colour: #CB278F;

Brightness & contrast

Relative luminance0.16131WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.97:1

Contrast with white4.97:1WCAG normal text: AA

Contrast with black4.23:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#34D870

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#435E92no red cones; affects about 1% of men; ΔE 65.6 from the original

Deuteranopia#747A8Bno green cones; the most common form, about 1% of men; ΔE 68.4 from the original

Tritanopia#DA1D59no blue cones; rare, and affects men and women equally; ΔE 34.1 from the original

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

Contrast with white, large text4.97:1WCAG large text: AAA

Contrast with black, large text4.23:1WCAG large text: AA

Named colours

Medium violet red · ΔE 3.7 Hot pink · ΔE 20.3 Deep pink · ΔE 21.1 Dark magenta · ΔE 26.6 Orchid · ΔE 27 Purple · ΔE 27.8

Nearest named CSS colourMedium violet red (#C71585)ΔE 3.71, a close match

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27CB63

Analogous#B527CB, #CB273D

Triadic#8FCB27, #278FCB

Split complementary#3DCB27, #27CBB5

Tetradic#CBB527, #27CB63, #273DCB

Tints, shades & saturation

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

Lighter +40%#F5C9E5

Lighter +30%#EC9FD0

Lighter +20%#E474BB

Lighter +10%#DC49A6

Darker −10%#A01F71

Darker −20%#751753

Darker −30%#4B0E35

Darker −40%#200616

More saturated +25%#E90997

Less saturated −25%#AD4587

Channel breakdown

R203

G39

B143

Red203 (79.6%)

Green39 (15.3%)

Blue143 (56.1%)

Hue321.95°

Saturation (HSL)67.77%

Lightness47.45%

Dominant channelRed

Hex per channelR CB · G 27 · B 8F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB278F (chemical formula)

Formula
3,036.189 g/mol
280 atoms

CB278F has a molar mass of 3,036.189 g/mol, made up of 280 atoms across 3 elements: 1 × C, 278 × B, 1 × F.

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Molar mass

Molar mass3,036.189 g/mol

Total atoms per molecule280

Distinct elements3

Mass of one molecule5.0417104 × 10^-21 g

Molecules per gram1.9834538 × 10^20

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

C0.4%

B99%

F0.6%

Carbon (C)12.011 g/mol, 0.396%

Boron (B × 278)3,005.18 g/mol, 98.979%

Fluorine (F)18.998 g/mol, 0.626%

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