Recognised as Colour

#B177CD

#B177CD
Violet
Dark
Nearest: Medium purple

#B177CD is a violet with RGB values 177, 119, 205 and HSL 280°, 46%, 64%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Medium purple.

Colour values

#B177CD#B177CD

HEX#B177CD

RGBrgb(177, 119, 205)

RGB (0–1)0.6941, 0.4667, 0.8039

RGB percentages69.4%, 46.7%, 80.4%

HSLhsl(280.5, 46.2%, 63.5%)

HSV / HSBhsv(280.5, 42%, 80.4%)

CMYK13.7%, 42%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,630,541

CSS custom property--colour: #B177CD;

Brightness & contrast

Relative luminance0.26949WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.39:1

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

Contrast with black6.39:1WCAG normal text: AA

Greyscale equivalent#8A8A8A

Inverted#4E8832

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#678AD0no red cones; affects about 1% of men; ΔE 30.9 from the original

Deuteranopia#768FCBno green cones; the most common form, about 1% of men; ΔE 31.4 from the original

Tritanopia#AF8398no blue cones; rare, and affects men and women equally; ΔE 35.8 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 text6.39:1WCAG large text: AAA

Named colours

Medium purple · ΔE 14.9 Orchid · ΔE 17.8 Plum · ΔE 20.7 Violet · ΔE 21.4 Medium orchid · ΔE 24.7 Slate blue · ΔE 26

Nearest named CSS colourMedium purple (#9370DB)ΔE 14.92, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#93CD77

Analogous#8677CD, #CD77BE

Triadic#CDB177, #77CDB1

Split complementary#BECD77, #77CD86

Tetradic#CD8677, #93CD77, #77BECD

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F1E7F6

Lighter +20%#DCC2E8

Lighter +10%#C69CDB

Darker −10%#9C52BF

Darker −20%#813CA2

Darker −30%#632E7D

Darker −40%#462058

More saturated +25%#B960E4

Less saturated −25%#A98EB6

Channel breakdown

R177

G119

B205

Red177 (69.4%)

Green119 (46.7%)

Blue205 (80.4%)

Hue280.47°

Saturation (HSL)46.24%

Lightness63.53%

Dominant channelBlue

Hex per channelR B1 · G 77 · B CD

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B177Cd (chemical formula)

Formula
2,025.78 g/mol
178 atoms

B177Cd has a molar mass of 2,025.78 g/mol, made up of 178 atoms across 2 elements: 177 × B, 1 × Cd.

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Molar mass

Molar mass2,025.78 g/mol

Total atoms per molecule178

Distinct elements2

Mass of one molecule3.3638868 × 10^-21 g

Molecules per gram2.9727516 × 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

B94.5%

Cd5.5%

Boron (B × 177)1,913.37 g/mol, 94.451%

Cadmium (Cd)112.41 g/mol, 5.549%

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