Recognised as Colour

#B58AC9

#B58AC9
Violet
Dark
Nearest: Plum

#B58AC9 is a violet with RGB values 181, 138, 201 and HSL 281°, 37%, 66%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Plum.

Colour values

#B58AC9#B58AC9

HEX#B58AC9

RGBrgb(181, 138, 201)

RGB (0–1)0.7098, 0.5412, 0.7882

RGB percentages71%, 54.1%, 78.8%

HSLhsl(281, 36.8%, 66.5%)

HSV / HSBhsv(281, 31.3%, 78.8%)

CMYK10%, 31.3%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,897,545

CSS custom property--colour: #B58AC9;

Brightness & contrast

Relative luminance0.32218WCAG 2.x, 0 is black and 1 is white

Perceived brightness159.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.44:1

Contrast with white2.82:1WCAG normal text: Fail

Contrast with black7.44:1WCAG normal text: AAA

Greyscale equivalent#989898

Inverted#4A7536

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8197CBno red cones; affects about 1% of men; ΔE 23 from the original

Deuteranopia#8A9BC7no green cones; the most common form, about 1% of men; ΔE 23.6 from the original

Tritanopia#B492A1no blue cones; rare, and affects men and women equally; ΔE 26.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.82:1WCAG large text: Fail

Contrast with black, large text7.44:1WCAG large text: AAA

Named colours

Plum · ΔE 11.8 Medium purple · ΔE 26.8 Thistle · ΔE 27.9 Orchid · ΔE 28.7 Cornflower blue · ΔE 29.5 Violet · ΔE 31.1

Nearest named CSS colourPlum (#DDA0DD)ΔE 11.77, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9EC98A

Analogous#968AC9, #C98ABD

Triadic#C9B58A, #8AC9B5

Split complementary#BDC98A, #8AC996

Tetradic#C9968A, #9EC98A, #8ABDC9

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F7F3F9

Lighter +20%#E1D0E9

Lighter +10%#CBADD9

Darker −10%#9F67B9

Darker −20%#864BA2

Darker −30%#6A3B7F

Darker −40%#4D2B5C

More saturated +25%#BD75DE

Less saturated −25%#AD9FB4

Channel breakdown

R181

G138

B201

Red181 (71%)

Green138 (54.1%)

Blue201 (78.8%)

Hue280.95°

Saturation (HSL)36.84%

Lightness66.47%

Dominant channelBlue

Hex per channelR B5 · G 8A · B C9

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B58Ac9 (chemical formula)

Formula
2,669.98 g/mol
67 atoms

B58Ac9 has a molar mass of 2,669.98 g/mol, made up of 67 atoms across 2 elements: 58 × B, 9 × Ac.

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Molar mass

Molar mass2,669.98 g/mol

Total atoms per molecule67

Distinct elements2

Mass of one molecule4.4336061 × 10^-21 g

Molecules per gram2.2555003 × 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

B23.5%

Ac76.5%

Boron (B × 58)626.98 g/mol, 23.483%

Actinium (Ac × 9)2,043 g/mol, 76.517%

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