Recognised as Colour

#B188C5

#B188C5
Violet
Dark
Nearest: Plum

#B188C5 is a violet with RGB values 177, 136, 197 and HSL 280°, 34%, 65%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Plum.

Colour values

#B188C5#B188C5

HEX#B188C5

RGBrgb(177, 136, 197)

RGB (0–1)0.6941, 0.5333, 0.7725

RGB percentages69.4%, 53.3%, 77.3%

HSLhsl(280.3, 34.5%, 65.3%)

HSV / HSBhsv(280.3, 31%, 77.3%)

CMYK10.2%, 31%, 0%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,634,885

CSS custom property--colour: #B188C5;

Brightness & contrast

Relative luminance0.30987WCAG 2.x, 0 is black and 1 is white

Perceived brightness157 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.2:1

Contrast with white2.92:1WCAG normal text: Fail

Contrast with black7.2:1WCAG normal text: AAA

Greyscale equivalent#959595

Inverted#4E773A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7F95C7no red cones; affects about 1% of men; ΔE 22.4 from the original

Deuteranopia#8898C3no green cones; the most common form, about 1% of men; ΔE 22.5 from the original

Tritanopia#B0909Eno blue cones; rare, and affects men and women equally; ΔE 26 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.92:1WCAG large text: Fail

Contrast with black, large text7.2:1WCAG large text: AAA

Named colours

Plum · ΔE 12.9 Medium purple · ΔE 27.4 Thistle · ΔE 27.6 Cornflower blue · ΔE 29.3 Orchid · ΔE 29.8 Pale violetred · ΔE 32.2

Nearest named CSS colourPlum (#DDA0DD)ΔE 12.86, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9CC588

Analogous#9388C5, #C588BB

Triadic#C5B188, #88C5B1

Split complementary#BBC588, #88C593

Tetradic#C59388, #9CC588, #88BBC5

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F4EFF7

Lighter +20%#DECDE6

Lighter +10%#C7AAD6

Darker −10%#9B66B4

Darker −20%#814C9B

Darker −30%#653B79

Darker −40%#482A57

More saturated +25%#B972DB

Less saturated −25%#A99EAF

Channel breakdown

R177

G136

B197

Red177 (69.4%)

Green136 (53.3%)

Blue197 (77.3%)

Hue280.33°

Saturation (HSL)34.46%

Lightness65.29%

Dominant channelBlue

Hex per channelR B1 · G 88 · B C5

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B188C5 (chemical formula)

Formula
2,092.335 g/mol
193 atoms

B188C5 has a molar mass of 2,092.335 g/mol, made up of 193 atoms across 2 elements: 188 × B, 5 × C.

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Molar mass

Molar mass2,092.335 g/mol

Total atoms per molecule193

Distinct elements2

Mass of one molecule3.474404 × 10^-21 g

Molecules per gram2.8781915 × 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

B97.1%

C2.9%

Boron (B × 188)2,032.28 g/mol, 97.13%

Carbon (C × 5)60.055 g/mol, 2.87%

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