Recognised as Colour

#B538CA

#B538CA
Magenta
Dark
Nearest: Dark orchid

#B538CA is a magenta with RGB values 181, 56, 202 and HSL 291°, 58%, 51%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#B538CA#B538CA

HEX#B538CA

RGBrgb(181, 56, 202)

RGB (0–1)0.7098, 0.2196, 0.7922

RGB percentages71%, 22%, 79.2%

HSLhsl(291.4, 57.9%, 50.6%)

HSV / HSBhsv(291.4, 72.3%, 79.2%)

CMYK10.4%, 72.3%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,876,554

CSS custom property--colour: #B538CA;

Brightness & contrast

Relative luminance0.16916WCAG 2.x, 0 is black and 1 is white

Perceived brightness127.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.79:1

Contrast with white4.79:1WCAG normal text: AA

Contrast with black4.38:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#4AC735

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0069CEno red cones; affects about 1% of men; ΔE 54.7 from the original

Deuteranopia#4A77C7no green cones; the most common form, about 1% of men; ΔE 58.6 from the original

Tritanopia#B7547Eno blue cones; rare, and affects men and women equally; ΔE 52.4 from the original

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

Contrast with white, large text4.79:1WCAG large text: AAA

Contrast with black, large text4.38:1WCAG large text: AA

Named colours

Dark orchid · ΔE 10.7 Medium orchid · ΔE 11.2 Dark magenta · ΔE 20.6 Dark violet · ΔE 22.7 Blue violet · ΔE 24.5 Purple · ΔE 25.2

Nearest named CSS colourDark orchid (#9932CC)ΔE 10.66, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4DCA38

Analogous#6C38CA, #CA3896

Triadic#CAB538, #38CAB5

Split complementary#96CA38, #38CA6C

Tetradic#CA6C38, #4DCA38, #3896CA

Tints, shades & saturation

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

Lighter +40%#F1D9F5

Lighter +30%#E2B1EA

Lighter +20%#D389DF

Lighter +10%#C460D5

Darker −10%#922CA3

Darker −20%#6E217B

Darker −30%#4A1653

Darker −40%#260B2B

More saturated +25%#CB19E9

Less saturated −25%#9F58AB

Channel breakdown

R181

G56

B202

Red181 (71%)

Green56 (22%)

Blue202 (79.2%)

Hue291.37°

Saturation (HSL)57.94%

Lightness50.59%

Dominant channelBlue

Hex per channelR B5 · G 38 · B CA

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B538Ca (chemical formula)

Formula
5,855.858 g/mol
539 atoms

B538Ca has a molar mass of 5,855.858 g/mol, made up of 539 atoms across 2 elements: 538 × B, 1 × Ca.

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Molar mass

Molar mass5,855.858 g/mol

Total atoms per molecule539

Distinct elements2

Mass of one molecule9.723881 × 10^-21 g

Molecules per gram1.028396 × 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

B99.3%

Ca0.7%

Boron (B × 538)5,815.78 g/mol, 99.316%

Calcium (Ca)40.078 g/mol, 0.684%

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Elements in this formula

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