Recognised as Colour

#BB28B1

#BB28B1
Magenta
Dark
Nearest: Dark magenta

#BB28B1 is a magenta with RGB values 187, 40, 177 and HSL 304°, 65%, 45%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Dark magenta.

Colour values

#BB28B1#BB28B1

HEX#BB28B1

RGBrgb(187, 40, 177)

RGB (0–1)0.7333, 0.1569, 0.6941

RGB percentages73.3%, 15.7%, 69.4%

HSLhsl(304.1, 64.8%, 44.5%)

HSV / HSBhsv(304.1, 78.6%, 73.3%)

CMYK0%, 78.6%, 5.3%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,265,649

CSS custom property--colour: #BB28B1;

Brightness & contrast

Relative luminance0.15257WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.18:1

Contrast with white5.18:1WCAG normal text: AA

Contrast with black4.05:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#44D74E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1660B5no red cones; affects about 1% of men; ΔE 60.5 from the original

Deuteranopia#5974AEno green cones; the most common form, about 1% of men; ΔE 63.9 from the original

Tritanopia#C33C6Cno blue cones; rare, and affects men and women equally; ΔE 45 from the original

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

Contrast with white, large text5.18:1WCAG large text: AAA

Contrast with black, large text4.05:1WCAG large text: AA

Named colours

Dark magenta · ΔE 15.4 Medium orchid · ΔE 15.4 Purple · ΔE 20 Dark orchid · ΔE 21 Orchid · ΔE 23.1 Medium violet red · ΔE 24.7

Nearest named CSS colourDark magenta (#8B008B)ΔE 15.43, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#28BB32

Analogous#7B28BB, #BB2868

Triadic#B1BB28, #28B1BB

Split complementary#68BB28, #28BB7B

Tetradic#BB7B28, #28BB32, #2868BB

Tints, shades & saturation

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

Lighter +40%#F1BEEE

Lighter +30%#E894E2

Lighter +20%#DF6AD7

Lighter +10%#D640CC

Darker −10%#911F89

Darker −20%#671661

Darker −30%#3D0D3A

Darker −40%#130412

More saturated +25%#D70CCA

Less saturated −25%#9F4498

Channel breakdown

R187

G40

B177

Red187 (73.3%)

Green40 (15.7%)

Blue177 (69.4%)

Hue304.08°

Saturation (HSL)64.76%

Lightness44.51%

Dominant channelRed

Hex per channelR BB · G 28 · B B1

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB28B1 (chemical formula)

Formula
324.3 g/mol
30 atoms

BB28B1 has a molar mass of 324.3 g/mol, made up of 30 atoms across 1 element: 30 × B.

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Molar mass

Molar mass324.3 g/mol

Total atoms per molecule30

Distinct elements1

Mass of one molecule5.3851282 × 10^-22 g

Molecules per gram1.856966 × 10^21

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

B100%

Boron (B × 30)324.3 g/mol, 100%

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Elements in this formula

Boron

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