Recognised as Colour

#B56BCB

#B56BCB
Violet
Dark
Nearest: Orchid

#B56BCB is a violet with RGB values 181, 107, 203 and HSL 286°, 48%, 61%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Orchid.

Colour values

#B56BCB#B56BCB

HEX#B56BCB

RGBrgb(181, 107, 203)

RGB (0–1)0.7098, 0.4196, 0.7961

RGB percentages71%, 42%, 79.6%

HSLhsl(286.3, 48%, 60.8%)

HSV / HSBhsv(286.3, 47.3%, 79.6%)

CMYK10.8%, 47.3%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,889,611

CSS custom property--colour: #B56BCB;

Brightness & contrast

Relative luminance0.24651WCAG 2.x, 0 is black and 1 is white

Perceived brightness145.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.93:1

Contrast with white3.54:1WCAG normal text: Fail

Contrast with black5.93:1WCAG normal text: AA

Greyscale equivalent#828282

Inverted#4A9434

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5A83CEno red cones; affects about 1% of men; ΔE 37.6 from the original

Deuteranopia#6F8BC8no green cones; the most common form, about 1% of men; ΔE 39.1 from the original

Tritanopia#B57892no blue cones; rare, and affects men and women equally; ΔE 38.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.54:1WCAG large text: AA

Contrast with black, large text5.93:1WCAG large text: AAA

Named colours

Orchid · ΔE 12.3 Medium purple · ΔE 14.8 Medium orchid · ΔE 17 Violet · ΔE 17.2 Slate blue · ΔE 24.6 Rebecca purple · ΔE 25.6

Nearest named CSS colourOrchid (#DA70D6)ΔE 12.32, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#81CB6B

Analogous#856BCB, #CB6BB1

Triadic#CBB56B, #6BCBB5

Split complementary#B1CB6B, #6BCB85

Tetradic#CB856B, #81CB6B, #6BB1CB

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#EEDCF3

Lighter +20%#DBB6E6

Lighter +10%#C891D8

Darker −10%#A245BE

Darker −20%#83369A

Darker −30%#632974

Darker −40%#431C4E

More saturated +25%#C352E4

Less saturated −25%#A784B2

Channel breakdown

R181

G107

B203

Red181 (71%)

Green107 (42%)

Blue203 (79.6%)

Hue286.25°

Saturation (HSL)48%

Lightness60.78%

Dominant channelBlue

Hex per channelR B5 · G 6B · B CB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B56BCB (chemical formula)

Formula
638.991 g/mol
59 atoms

B56BCB has a molar mass of 638.991 g/mol, made up of 59 atoms across 2 elements: 58 × B, 1 × C.

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Molar mass

Molar mass638.991 g/mol

Total atoms per molecule59

Distinct elements2

Mass of one molecule1.0610695 × 10^-21 g

Molecules per gram9.4244532 × 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

B98.1%

C1.9%

Boron (B × 58)626.98 g/mol, 98.12%

Carbon (C)12.011 g/mol, 1.88%

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Elements in this formula

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