Recognised as Colour

#BB7BCA

#BB7BCA
Violet
Dark
Nearest: Plum

#BB7BCA is a violet with RGB values 187, 123, 202 and HSL 289°, 43%, 64%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Plum.

Colour values

#BB7BCA#BB7BCA

HEX#BB7BCA

RGBrgb(187, 123, 202)

RGB (0–1)0.7333, 0.4824, 0.7922

RGB percentages73.3%, 48.2%, 79.2%

HSLhsl(288.6, 42.7%, 63.7%)

HSV / HSBhsv(288.6, 39.1%, 79.2%)

CMYK7.4%, 39.1%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,286,922

CSS custom property--colour: #BB7BCA;

Brightness & contrast

Relative luminance0.28995WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.8:1

Contrast with white3.09:1WCAG normal text: Fail

Contrast with black6.8:1WCAG normal text: AA

Greyscale equivalent#8E8E8E

Inverted#448435

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#708ECDno red cones; affects about 1% of men; ΔE 32.3 from the original

Deuteranopia#8195C8no green cones; the most common form, about 1% of men; ΔE 32.9 from the original

Tritanopia#BC8499no blue cones; rare, and affects men and women equally; ΔE 31.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.09:1WCAG large text: AA

Contrast with black, large text6.8:1WCAG large text: AAA

Named colours

Plum · ΔE 16.5 Orchid · ΔE 17.6 Medium purple · ΔE 19.9 Violet · ΔE 21.1 Medium orchid · ΔE 27.5 Slate blue · ΔE 30.9

Nearest named CSS colourPlum (#DDA0DD)ΔE 16.53, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8ACA7B

Analogous#947BCA, #CA7BB1

Triadic#CABB7B, #7BCABB

Split complementary#B2CA7B, #7BCA93

Tetradic#CA937B, #8ACA7B, #7BB1CA

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F3E8F6

Lighter +20%#E0C4E7

Lighter +10%#CE9FD9

Darker −10%#A857BB

Darker −20%#8D409F

Darker −30%#6D317B

Darker −40%#4D2356

More saturated +25%#C964E1

Less saturated −25%#AD92B3

Channel breakdown

R187

G123

B202

Red187 (73.3%)

Green123 (48.2%)

Blue202 (79.2%)

Hue288.61°

Saturation (HSL)42.7%

Lightness63.73%

Dominant channelBlue

Hex per channelR BB · G 7B · B CA

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB7BCa (chemical formula)

Formula
137.368 g/mol
10 atoms

BB7BCa has a molar mass of 137.368 g/mol, made up of 10 atoms across 2 elements: 9 × B, 1 × Ca.

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Molar mass

Molar mass137.368 g/mol

Total atoms per molecule10

Distinct elements2

Mass of one molecule2.2810493 × 10^-22 g

Molecules per gram4.3839473 × 10^21

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

B70.8%

Ca29.2%

Boron (B × 9)97.29 g/mol, 70.824%

Calcium (Ca)40.078 g/mol, 29.176%

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