Recognised as Colour

#CB31BF

#CB31BF
Magenta
Dark
Nearest: Medium orchid

#CB31BF is a magenta with RGB values 203, 49, 191 and HSL 305°, 61%, 49%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#CB31BF#CB31BF

HEX#CB31BF

RGBrgb(203, 49, 191)

RGB (0–1)0.7961, 0.1922, 0.749

RGB percentages79.6%, 19.2%, 74.9%

HSLhsl(304.7, 61.1%, 49.4%)

HSV / HSBhsv(304.7, 75.9%, 79.6%)

CMYK0%, 75.9%, 5.9%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,316,543

CSS custom property--colour: #CB31BF;

Brightness & contrast

Relative luminance0.18655WCAG 2.x, 0 is black and 1 is white

Perceived brightness133.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.73:1

Contrast with white4.44:1WCAG normal text: Fail

Contrast with black4.73:1WCAG normal text: AA

Greyscale equivalent#5C5C5C

Inverted#34CE40

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#236AC3no red cones; affects about 1% of men; ΔE 63.4 from the original

Deuteranopia#647FBBno green cones; the most common form, about 1% of men; ΔE 66.8 from the original

Tritanopia#D34576no blue cones; rare, and affects men and women equally; ΔE 46.9 from the original

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

Contrast with white, large text4.44:1WCAG large text: AA

Contrast with black, large text4.73:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 15.8 Dark magenta · ΔE 20.7 Dark orchid · ΔE 21.8 Orchid · ΔE 22.8 Purple · ΔE 25.4 Violet · ΔE 26

Nearest named CSS colourMedium orchid (#BA55D3)ΔE 15.78, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#31CB3D

Analogous#8A31CB, #CB3172

Triadic#BFCB31, #31BFCB

Split complementary#72CB31, #31CB8A

Tetradic#CB8A31, #31CB3D, #3172CB

Tints, shades & saturation

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

Lighter +40%#F5D3F2

Lighter +30%#EBAAE6

Lighter +20%#E181D9

Lighter +10%#D758CD

Darker −10%#A22798

Darker −20%#791D72

Darker −30%#50134B

Darker −40%#270924

More saturated +25%#EB11DA

Less saturated −25%#AC51A4

Channel breakdown

R203

G49

B191

Red203 (79.6%)

Green49 (19.2%)

Blue191 (74.9%)

Hue304.68°

Saturation (HSL)61.11%

Lightness49.41%

Dominant channelRed

Hex per channelR CB · G 31 · B BF

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB31BF (chemical formula)

Formula
376.929 g/mol
34 atoms

CB31BF has a molar mass of 376.929 g/mol, made up of 34 atoms across 3 elements: 1 × C, 32 × B, 1 × F.

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Molar mass

Molar mass376.929 g/mol

Total atoms per molecule34

Distinct elements3

Mass of one molecule6.2590533 × 10^-22 g

Molecules per gram1.5976857 × 10^21

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

C3.2%

B91.8%

F5%

Carbon (C)12.011 g/mol, 3.187%

Boron (B × 32)345.92 g/mol, 91.773%

Fluorine (F)18.998 g/mol, 5.04%

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