Recognised as Colour

#B71BBE

#B71BBE
Magenta
Dark
Nearest: Dark orchid

#B71BBE is a magenta with RGB values 183, 27, 190 and HSL 297°, 75%, 43%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#B71BBE#B71BBE

HEX#B71BBE

RGBrgb(183, 27, 190)

RGB (0–1)0.7176, 0.1059, 0.7451

RGB percentages71.8%, 10.6%, 74.5%

HSLhsl(297.4, 75.1%, 42.5%)

HSV / HSBhsv(297.4, 85.8%, 74.5%)

CMYK3.7%, 85.8%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,000,190

CSS custom property--colour: #B71BBE;

Brightness & contrast

Relative luminance0.14569WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.37:1

Contrast with white5.37:1WCAG normal text: AA

Contrast with black3.91:1WCAG normal text: Fail

Greyscale equivalent#484848

Inverted#48E441

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005FC2no red cones; affects about 1% of men; ΔE 59.3 from the original

Deuteranopia#4971BAno green cones; the most common form, about 1% of men; ΔE 65.9 from the original

Tritanopia#BC3F71no blue cones; rare, and affects men and women equally; ΔE 52.1 from the original

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

Contrast with white, large text5.37:1WCAG large text: AAA

Contrast with black, large text3.91:1WCAG large text: AA

Named colours

Dark orchid · ΔE 14.5 Medium orchid · ΔE 17.6 Dark magenta · ΔE 20 Dark violet · ΔE 22.1 Purple · ΔE 25 Blue violet · ΔE 26.3

Nearest named CSS colourDark orchid (#9932CC)ΔE 14.47, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22BE1B

Analogous#651BBE, #BE1B74

Triadic#BEB71B, #1BBEB7

Split complementary#74BE1B, #1BBE66

Tetradic#BE661B, #22BE1B, #1B74BE

Tints, shades & saturation

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

Lighter +40%#F1B1F4

Lighter +30%#E984EE

Lighter +20%#E158E7

Lighter +10%#D92BE1

Darker −10%#8C1591

Darker −20%#610E65

Darker −30%#360838

Darker −40%#0B020B

More saturated +25%#D000D9

Less saturated −25%#9E36A3

Channel breakdown

R183

G27

B190

Red183 (71.8%)

Green27 (10.6%)

Blue190 (74.5%)

Hue297.42°

Saturation (HSL)75.12%

Lightness42.55%

Dominant channelBlue

Hex per channelR B7 · G 1B · B BE

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B71BBe (chemical formula)

Formula
787.3322 g/mol
73 atoms

B71BBe has a molar mass of 787.3322 g/mol, made up of 73 atoms across 2 elements: 72 × B, 1 × Be.

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Molar mass

Molar mass787.3322 g/mol

Total atoms per molecule73

Distinct elements2

Mass of one molecule1.3073959 × 10^-21 g

Molecules per gram7.6487927 × 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

B98.9%

Be1.1%

Boron (B × 72)778.32 g/mol, 98.855%

Beryllium (Be)9.0122 g/mol, 1.145%

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Elements in this formula

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