Recognised as Colour

#B31B68

#B31B68
Magenta
Dark
Nearest: Medium violet red

#B31B68 is a magenta with RGB values 179, 27, 104 and HSL 330°, 74%, 40%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#B31B68#B31B68

HEX#B31B68

RGBrgb(179, 27, 104)

RGB (0–1)0.702, 0.1059, 0.4078

RGB percentages70.2%, 10.6%, 40.8%

HSLhsl(329.6, 73.8%, 40.4%)

HSV / HSBhsv(329.6, 84.9%, 70.2%)

CMYK0%, 84.9%, 41.9%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,737,960

CSS custom property--colour: #B31B68;

Brightness & contrast

Relative luminance0.11367WCAG 2.x, 0 is black and 1 is white

Perceived brightness106 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.42:1

Contrast with white6.42:1WCAG normal text: AA

Contrast with black3.27:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#4CE497

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#404D6Ano red cones; affects about 1% of men; ΔE 61.5 from the original

Deuteranopia#6A6965no green cones; the most common form, about 1% of men; ΔE 63.3 from the original

Tritanopia#C20040no blue cones; rare, and affects men and women equally; ΔE 27.3 from the original

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

Contrast with white, large text6.42:1WCAG large text: AAA

Contrast with black, large text3.27:1WCAG large text: AA

Named colours

Medium violet red · ΔE 14.5 Hot pink · ΔE 26.1 Pale violetred · ΔE 26.9 Deep pink · ΔE 27.3 Purple · ΔE 33.9 Indian red · ΔE 34.4

Nearest named CSS colourMedium violet red (#C71585)ΔE 14.53, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1BB366

Analogous#B21BB3, #B31B1C

Triadic#68B31B, #1B68B3

Split complementary#1CB31B, #1BB3B2

Tetradic#B3B21B, #1BB366, #1B1CB3

Tints, shades & saturation

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

Lighter +40%#F2A8CD

Lighter +30%#EB7CB4

Lighter +20%#E54F9B

Lighter +10%#DE2382

Darker −10%#87144E

Darker −20%#5A0E35

Darker −30%#2E071B

Darker −40%#020001

More saturated +25%#CD0168

Less saturated −25%#993568

Channel breakdown

R179

G27

B104

Red179 (70.2%)

Green27 (10.6%)

Blue104 (40.8%)

Hue329.61°

Saturation (HSL)73.79%

Lightness40.39%

Dominant channelRed

Hex per channelR B3 · G 1B · B 68

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B31B68 (chemical formula)

Formula
1,070.19 g/mol
99 atoms

B31B68 has a molar mass of 1,070.19 g/mol, made up of 99 atoms across 1 element: 99 × B.

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Molar mass

Molar mass1,070.19 g/mol

Total atoms per molecule99

Distinct elements1

Mass of one molecule1.7770923 × 10^-21 g

Molecules per gram5.6271697 × 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

B100%

Boron (B × 99)1,070.19 g/mol, 100%

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Elements in this formula

Boron

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