Recognised as Colour

#B75ACB

#B75ACB
Violet
Dark
Nearest: Medium orchid

#B75ACB is a violet with RGB values 183, 90, 203 and HSL 289°, 52%, 57%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#B75ACB#B75ACB

HEX#B75ACB

RGBrgb(183, 90, 203)

RGB (0–1)0.7176, 0.3529, 0.7961

RGB percentages71.8%, 35.3%, 79.6%

HSLhsl(289.4, 52.1%, 57.5%)

HSV / HSBhsv(289.4, 55.7%, 79.6%)

CMYK9.9%, 55.7%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,016,331

CSS custom property--colour: #B75ACB;

Brightness & contrast

Relative luminance0.21691WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.34:1

Contrast with white3.93:1WCAG normal text: Fail

Contrast with black5.34:1WCAG normal text: AA

Greyscale equivalent#767676

Inverted#48A534

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#447ACFno red cones; affects about 1% of men; ΔE 45.2 from the original

Deuteranopia#6384C8no green cones; the most common form, about 1% of men; ΔE 47.1 from the original

Tritanopia#B86B8Ano blue cones; rare, and affects men and women equally; ΔE 43.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.93:1WCAG large text: AA

Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 6.6 Orchid · ΔE 12.4 Violet · ΔE 17.2 Medium purple · ΔE 19.1 Dark orchid · ΔE 22.9 Dark magenta · ΔE 23

Nearest named CSS colourMedium orchid (#BA55D3)ΔE 6.58, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6ECB5A

Analogous#7E5ACB, #CB5AA7

Triadic#CBB75A, #5ACBB7

Split complementary#A7CB5A, #5ACB7E

Tetradic#CB7E5A, #6ECB5A, #5AA7CB

Tints, shades & saturation

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

Lighter +40%#FBF5FC

Lighter +30%#EACEF0

Lighter +20%#D9A8E3

Lighter +10%#C881D7

Darker −10%#A23AB8

Darker −20%#802E91

Darker −30%#5E226A

Darker −40%#3B1544

More saturated +25%#C93FE6

Less saturated −25%#A575B0

Channel breakdown

R183

G90

B203

Red183 (71.8%)

Green90 (35.3%)

Blue203 (79.6%)

Hue289.38°

Saturation (HSL)52.07%

Lightness57.45%

Dominant channelBlue

Hex per channelR B7 · G 5A · B CB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B75AcB (chemical formula)

Formula
1,048.56 g/mol
77 atoms

B75AcB has a molar mass of 1,048.56 g/mol, made up of 77 atoms across 2 elements: 76 × B, 1 × Ac.

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Molar mass

Molar mass1,048.56 g/mol

Total atoms per molecule77

Distinct elements2

Mass of one molecule1.7411748 × 10^-21 g

Molecules per gram5.7432486 × 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

B78.4%

Ac21.6%

Boron (B × 76)821.56 g/mol, 78.351%

Actinium (Ac)227 g/mol, 21.649%

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Elements in this formula

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