Recognised as Colour

#B78BC9

#B78BC9
Violet
Dark
Nearest: Plum

#B78BC9 is a violet with RGB values 183, 139, 201 and HSL 283°, 36%, 67%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Plum.

Colour values

#B78BC9#B78BC9

HEX#B78BC9

RGBrgb(183, 139, 201)

RGB (0–1)0.7176, 0.5451, 0.7882

RGB percentages71.8%, 54.5%, 78.8%

HSLhsl(282.6, 36.5%, 66.7%)

HSV / HSBhsv(282.6, 30.8%, 78.8%)

CMYK9%, 30.8%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,028,873

CSS custom property--colour: #B78BC9;

Brightness & contrast

Relative luminance0.3275WCAG 2.x, 0 is black and 1 is white

Perceived brightness161.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.55:1

Contrast with white2.78:1WCAG normal text: Fail

Contrast with black7.55:1WCAG normal text: AAA

Greyscale equivalent#999999

Inverted#487436

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8298CBno red cones; affects about 1% of men; ΔE 23.4 from the original

Deuteranopia#8C9CC7no green cones; the most common form, about 1% of men; ΔE 23.6 from the original

Tritanopia#B692A1no blue cones; rare, and affects men and women equally; ΔE 25.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.78:1WCAG large text: Fail

Contrast with black, large text7.55:1WCAG large text: AAA

Named colours

Plum · ΔE 11.1 Thistle · ΔE 27.3 Medium purple · ΔE 27.5 Orchid · ΔE 28.8 Cornflower blue · ΔE 30.1 Violet · ΔE 31.1

Nearest named CSS colourPlum (#DDA0DD)ΔE 11.13, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9DC98B

Analogous#988BC9, #C98BBC

Triadic#C9B78B, #8BC9B7

Split complementary#BCC98B, #8BC998

Tetradic#C9988B, #9DC98B, #8BBCC9

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F8F3FA

Lighter +20%#E2D1E9

Lighter +10%#CDAED9

Darker −10%#A168B9

Darker −20%#894CA2

Darker −30%#6C3B80

Darker −40%#4E2B5D

More saturated +25%#C076DE

Less saturated −25%#AEA0B4

Channel breakdown

R183

G139

B201

Red183 (71.8%)

Green139 (54.5%)

Blue201 (78.8%)

Hue282.58°

Saturation (HSL)36.47%

Lightness66.67%

Dominant channelBlue

Hex per channelR B7 · G 8B · B C9

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B78BC9 (chemical formula)

Formula
962.089 g/mol
88 atoms

B78BC9 has a molar mass of 962.089 g/mol, made up of 88 atoms across 2 elements: 79 × B, 9 × C.

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Molar mass

Molar mass962.089 g/mol

Total atoms per molecule88

Distinct elements2

Mass of one molecule1.5975864 × 10^-21 g

Molecules per gram6.2594425 × 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

B88.8%

C11.2%

Boron (B × 79)853.99 g/mol, 88.764%

Carbon (C × 9)108.099 g/mol, 11.236%

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