Recognised as Colour

#B573CD

#B573CD
Violet
Dark
Nearest: Orchid

#B573CD is a violet with RGB values 181, 115, 205 and HSL 284°, 47%, 63%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Orchid.

Colour values

#B573CD#B573CD

HEX#B573CD

RGBrgb(181, 115, 205)

RGB (0–1)0.7098, 0.451, 0.8039

RGB percentages71%, 45.1%, 80.4%

HSLhsl(284, 47.4%, 62.7%)

HSV / HSBhsv(284, 43.9%, 80.4%)

CMYK11.7%, 43.9%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,891,661

CSS custom property--colour: #B573CD;

Brightness & contrast

Relative luminance0.26493WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.3:1

Contrast with white3.33:1WCAG normal text: Fail

Contrast with black6.3:1WCAG normal text: AA

Greyscale equivalent#888888

Inverted#4A8C32

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6389D0no red cones; affects about 1% of men; ΔE 34.6 from the original

Deuteranopia#758FCAno green cones; the most common form, about 1% of men; ΔE 35.4 from the original

Tritanopia#B47F96no blue cones; rare, and affects men and women equally; ΔE 36.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.33:1WCAG large text: AA

Contrast with black, large text6.3:1WCAG large text: AAA

Named colours

Orchid · ΔE 14.7 Medium purple · ΔE 14.9 Violet · ΔE 18.8 Medium orchid · ΔE 21.4 Plum · ΔE 22.5 Slate blue · ΔE 25.7

Nearest named CSS colourOrchid (#DA70D6)ΔE 14.75, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8BCD73

Analogous#8873CD, #CD73B8

Triadic#CDB573, #73CDB5

Split complementary#B8CD73, #73CD88

Tetradic#CD8873, #8BCD73, #73B8CD

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F1E4F5

Lighter +20%#DDBEE8

Lighter +10%#C999DA

Darker −10%#A14DC0

Darker −20%#8539A1

Darker −30%#662C7B

Darker −40%#471F55

More saturated +25%#C05BE5

Less saturated −25%#AA8BB5

Channel breakdown

R181

G115

B205

Red181 (71%)

Green115 (45.1%)

Blue205 (80.4%)

Hue284°

Saturation (HSL)47.37%

Lightness62.75%

Dominant channelBlue

Hex per channelR B5 · G 73 · B CD

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B573Cd (chemical formula)

Formula
6,306.54 g/mol
574 atoms

B573Cd has a molar mass of 6,306.54 g/mol, made up of 574 atoms across 2 elements: 573 × B, 1 × Cd.

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Molar mass

Molar mass6,306.54 g/mol

Total atoms per molecule574

Distinct elements2

Mass of one molecule1.0472256 × 10^-20 g

Molecules per gram9.5490408 × 10^19

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

B98.2%

Cd1.8%

Boron (B × 573)6,194.13 g/mol, 98.218%

Cadmium (Cd)112.41 g/mol, 1.782%

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Elements in this formula

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