Recognised as Colour

#BC83CA

#BC83CA
Violet
Dark
Nearest: Plum

#BC83CA is a violet with RGB values 188, 131, 202 and HSL 288°, 40%, 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

#BC83CA#BC83CA

HEX#BC83CA

RGBrgb(188, 131, 202)

RGB (0–1)0.7373, 0.5137, 0.7922

RGB percentages73.7%, 51.4%, 79.2%

HSLhsl(288.2, 40.1%, 65.3%)

HSV / HSBhsv(288.2, 35.1%, 79.2%)

CMYK6.9%, 35.1%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,354,506

CSS custom property--colour: #BC83CA;

Brightness & contrast

Relative luminance0.31188WCAG 2.x, 0 is black and 1 is white

Perceived brightness159 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.24:1

Contrast with white2.9:1WCAG normal text: Fail

Contrast with black7.24:1WCAG normal text: AAA

Greyscale equivalent#949494

Inverted#437C35

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7A94CDno red cones; affects about 1% of men; ΔE 29.1 from the original

Deuteranopia#889AC8no green cones; the most common form, about 1% of men; ΔE 29.7 from the original

Tritanopia#BD8B9Dno blue cones; rare, and affects men and women equally; ΔE 28.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.9:1WCAG large text: Fail

Contrast with black, large text7.24:1WCAG large text: AAA

Named colours

Plum · ΔE 12.5 Orchid · ΔE 22.1 Medium purple · ΔE 23.4 Violet · ΔE 24.9 Pale violetred · ΔE 30.8 Cornflower blue · ΔE 32.6

Nearest named CSS colourPlum (#DDA0DD)ΔE 12.46, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#91CA83

Analogous#9983CA, #CA83B4

Triadic#CABC83, #83CABC

Split complementary#B4CA83, #83CA99

Tetradic#CA9983, #91CA83, #83B4CA

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F6EEF8

Lighter +20%#E3CAE9

Lighter +10%#CFA7D9

Darker −10%#A95FBB

Darker −20%#9045A2

Darker −30%#70367E

Darker −40%#50275A

More saturated +25%#C96DE0

Less saturated −25%#AF99B4

Channel breakdown

R188

G131

B202

Red188 (73.7%)

Green131 (51.4%)

Blue202 (79.2%)

Hue288.17°

Saturation (HSL)40.11%

Lightness65.29%

Dominant channelBlue

Hex per channelR BC · G 83 · B CA

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BC83Ca (chemical formula)

Formula
1,047.801 g/mol
85 atoms

BC83Ca has a molar mass of 1,047.801 g/mol, made up of 85 atoms across 3 elements: 1 × B, 83 × C, 1 × Ca.

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Molar mass

Molar mass1,047.801 g/mol

Total atoms per molecule85

Distinct elements3

Mass of one molecule1.7399145 × 10^-21 g

Molecules per gram5.7474089 × 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

B1%

C95.1%

Ca3.8%

Boron (B)10.81 g/mol, 1.032%

Carbon (C × 83)996.913 g/mol, 95.143%

Calcium (Ca)40.078 g/mol, 3.825%

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