Recognised as Colour

#B55B9B

#B55B9B
Magenta
Dark
Nearest: Pale violetred

#B55B9B is a magenta with RGB values 181, 91, 155 and HSL 317°, 38%, 53%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Pale violetred.

Colour values

#B55B9B#B55B9B

HEX#B55B9B

RGBrgb(181, 91, 155)

RGB (0–1)0.7098, 0.3569, 0.6078

RGB percentages71%, 35.7%, 60.8%

HSLhsl(317.3, 37.8%, 53.3%)

HSV / HSBhsv(317.3, 49.7%, 71%)

CMYK0%, 49.7%, 14.4%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,885,467

CSS custom property--colour: #B55B9B;

Brightness & contrast

Relative luminance0.19672WCAG 2.x, 0 is black and 1 is white

Perceived brightness131.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.93:1

Contrast with white4.26:1WCAG normal text: Fail

Contrast with black4.93:1WCAG normal text: AA

Greyscale equivalent#737373

Inverted#4AA464

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F729Dno red cones; affects about 1% of men; ΔE 41.2 from the original

Deuteranopia#778099no green cones; the most common form, about 1% of men; ΔE 42.6 from the original

Tritanopia#BE5D74no blue cones; rare, and affects men and women equally; ΔE 24.1 from the original

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

Contrast with white, large text4.26:1WCAG large text: AA

Contrast with black, large text4.93:1WCAG large text: AAA

Named colours

Pale violetred · ΔE 20.9 Orchid · ΔE 22.3 Hot pink · ΔE 25.3 Plum · ΔE 25.3 Medium violet red · ΔE 27.3 Violet · ΔE 28.4

Nearest named CSS colourPale violetred (#DB7093)ΔE 20.92, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5BB575

Analogous#A25BB5, #B55B6E

Triadic#9BB55B, #5B9BB5

Split complementary#6EB55B, #5BB5A2

Tetradic#B5A25B, #5BB575, #5B6EB5

Tints, shades & saturation

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

Lighter +40%#F4E8F1

Lighter +30%#E5C4DB

Lighter +20%#D5A1C6

Lighter +10%#C57EB0

Darker −10%#984580

Darker −20%#753563

Darker −30%#522545

Darker −40%#2F1527

More saturated +25%#D33DA8

Less saturated −25%#97798E

Channel breakdown

R181

G91

B155

Red181 (71%)

Green91 (35.7%)

Blue155 (60.8%)

Hue317.33°

Saturation (HSL)37.82%

Lightness53.33%

Dominant channelRed

Hex per channelR B5 · G 5B · B 9B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B55B9B (chemical formula)

Formula
702.65 g/mol
65 atoms

B55B9B has a molar mass of 702.65 g/mol, made up of 65 atoms across 1 element: 65 × B.

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Molar mass

Molar mass702.65 g/mol

Total atoms per molecule65

Distinct elements1

Mass of one molecule1.1667778 × 10^-21 g

Molecules per gram8.5706123 × 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

B100%

Boron (B × 65)702.65 g/mol, 100%

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Elements in this formula

Boron

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