Recognised as Colour

#B577C2

#B577C2
Violet
Dark
Nearest: Plum

#B577C2 is a violet with RGB values 181, 119, 194 and HSL 290°, 38%, 61%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Plum.

Colour values

#B577C2#B577C2

HEX#B577C2

RGBrgb(181, 119, 194)

RGB (0–1)0.7098, 0.4667, 0.7608

RGB percentages71%, 46.7%, 76.1%

HSLhsl(289.6, 38.1%, 61.4%)

HSV / HSBhsv(289.6, 38.7%, 76.1%)

CMYK6.7%, 38.7%, 0%, 23.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,892,674

CSS custom property--colour: #B577C2;

Brightness & contrast

Relative luminance0.26912WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.38:1

Contrast with white3.29:1WCAG normal text: Fail

Contrast with black6.38:1WCAG normal text: AA

Greyscale equivalent#8A8A8A

Inverted#4A883D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D89C5no red cones; affects about 1% of men; ΔE 31.2 from the original

Deuteranopia#7D90C0no green cones; the most common form, about 1% of men; ΔE 32.1 from the original

Tritanopia#B68093no blue cones; rare, and affects men and women equally; ΔE 30.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.29:1WCAG large text: AA

Contrast with black, large text6.38:1WCAG large text: AAA

Named colours

Plum · ΔE 16.9 Orchid · ΔE 19.4 Medium purple · ΔE 20.9 Violet · ΔE 23.4 Medium orchid · ΔE 29 Pale violetred · ΔE 31.2

Nearest named CSS colourPlum (#DDA0DD)ΔE 16.9, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#84C277

Analogous#9077C2, #C277A9

Triadic#C2B577, #77C2B5

Split complementary#A9C277, #77C290

Tetradic#C29077, #84C277, #77A9C2

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#EEE1F1

Lighter +20%#DBBDE2

Lighter +10%#C89AD2

Darker −10%#A254B2

Darker −20%#844192

Darker −30%#64326E

Darker −40%#44224B

More saturated +25%#C55EDB

Less saturated −25%#A590A9

Channel breakdown

R181

G119

B194

Red181 (71%)

Green119 (46.7%)

Blue194 (76.1%)

Hue289.6°

Saturation (HSL)38.07%

Lightness61.37%

Dominant channelBlue

Hex per channelR B5 · G 77 · B C2

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B577C2 (chemical formula)

Formula
6,261.392 g/mol
579 atoms

B577C2 has a molar mass of 6,261.392 g/mol, made up of 579 atoms across 2 elements: 577 × B, 2 × C.

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Molar mass

Molar mass6,261.392 g/mol

Total atoms per molecule579

Distinct elements2

Mass of one molecule1.0397286 × 10^-20 g

Molecules per gram9.6178945 × 10^19

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

B99.6%

C0.4%

Boron (B × 577)6,237.37 g/mol, 99.616%

Carbon (C × 2)24.022 g/mol, 0.384%

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