Recognised as Colour

#CB81BB

#CB81BB
Magenta
Dark
Nearest: Plum

#CB81BB is a magenta with RGB values 203, 129, 187 and HSL 313°, 42%, 65%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Plum.

Colour values

#CB81BB#CB81BB

HEX#CB81BB

RGBrgb(203, 129, 187)

RGB (0–1)0.7961, 0.5059, 0.7333

RGB percentages79.6%, 50.6%, 73.3%

HSLhsl(313, 41.6%, 65.1%)

HSV / HSBhsv(313, 36.5%, 79.6%)

CMYK0%, 36.5%, 7.9%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,337,019

CSS custom property--colour: #CB81BB;

Brightness & contrast

Relative luminance0.31985WCAG 2.x, 0 is black and 1 is white

Perceived brightness161.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.4:1

Contrast with white2.84:1WCAG normal text: Fail

Contrast with black7.4:1WCAG normal text: AAA

Greyscale equivalent#959595

Inverted#347E44

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8193BDno red cones; affects about 1% of men; ΔE 34.1 from the original

Deuteranopia#949DB9no green cones; the most common form, about 1% of men; ΔE 34.5 from the original

Tritanopia#D28496no blue cones; rare, and affects men and women equally; ΔE 22.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.84:1WCAG large text: Fail

Contrast with black, large text7.4:1WCAG large text: AAA

Named colours

Plum · ΔE 11.6 Pale violetred · ΔE 20.9 Orchid · ΔE 24.1 Violet · ΔE 27.2 Hot pink · ΔE 28.2 Thistle · ΔE 30.7

Nearest named CSS colourPlum (#DDA0DD)ΔE 11.6, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#81CB91

Analogous#B681CB, #CB8196

Triadic#BBCB81, #81BBCB

Split complementary#96CB81, #81CBB6

Tetradic#CBB681, #81CB91, #8196CB

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F8EDF5

Lighter +20%#E9C9E2

Lighter +10%#DAA5CE

Darker −10%#BC5DA8

Darker −20%#A3438E

Darker −30%#7F346F

Darker −40%#5B254F

More saturated +25%#E16BC8

Less saturated −25%#B597AE

Channel breakdown

R203

G129

B187

Red203 (79.6%)

Green129 (50.6%)

Blue187 (73.3%)

Hue312.97°

Saturation (HSL)41.57%

Lightness65.1%

Dominant channelRed

Hex per channelR CB · G 81 · B BB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB81BB (chemical formula)

Formula
909.241 g/mol
84 atoms

CB81BB has a molar mass of 909.241 g/mol, made up of 84 atoms across 2 elements: 1 × C, 83 × B.

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Molar mass

Molar mass909.241 g/mol

Total atoms per molecule84

Distinct elements2

Mass of one molecule1.5098302 × 10^-21 g

Molecules per gram6.6232613 × 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

C1.3%

B98.7%

Carbon (C)12.011 g/mol, 1.321%

Boron (B × 83)897.23 g/mol, 98.679%

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