Recognised as Colour

#B541FB

#B541FB
Violet
Dark
Nearest: Blue violet

#B541FB is a violet with RGB values 181, 65, 251 and HSL 277°, 96%, 62%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#B541FB#B541FB

HEX#B541FB

RGBrgb(181, 65, 251)

RGB (0–1)0.7098, 0.2549, 0.9843

RGB percentages71%, 25.5%, 98.4%

HSLhsl(277.4, 95.9%, 62%)

HSV / HSBhsv(277.4, 74.1%, 98.4%)

CMYK27.9%, 74.1%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,878,907

CSS custom property--colour: #B541FB;

Brightness & contrast

Relative luminance0.20569WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.11:1

Contrast with white4.11:1WCAG normal text: Fail

Contrast with black5.11:1WCAG normal text: AA

Greyscale equivalent#676767

Inverted#4ABE04

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0079FFno red cones; affects about 1% of men; ΔE 51.2 from the original

Deuteranopia#007FF7no green cones; the most common form, about 1% of men; ΔE 58.2 from the original

Tritanopia#AA6E9Cno blue cones; rare, and affects men and women equally; ΔE 71.4 from the original

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

Contrast with white, large text4.11:1WCAG large text: AA

Contrast with black, large text5.11:1WCAG large text: AAA

Named colours

Blue violet · ΔE 11.6 Dark violet · ΔE 13.1 Dark orchid · ΔE 17.5 Fuchsia · ΔE 27.5 Magenta · ΔE 27.5 Medium orchid · ΔE 28.8

Nearest named CSS colourBlue violet (#8A2BE2)ΔE 11.6, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#87FB41

Analogous#5841FB, #FB41E4

Triadic#FBB541, #41FBB5

Split complementary#E4FB41, #41FB58

Tetradic#FB5841, #87FB41, #41E4FB

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#EFD7FE

Lighter +20%#DCA5FD

Lighter +10%#C873FC

Darker −10%#A20FFA

Darker −20%#8404D2

Darker −30%#6503A0

Darker −40%#45026E

More saturated +25%#B63DFF

Less saturated −25%#AF59E3

Channel breakdown

R181

G65

B251

Red181 (71%)

Green65 (25.5%)

Blue251 (98.4%)

Hue277.42°

Saturation (HSL)95.88%

Lightness61.96%

Dominant channelBlue

Hex per channelR B5 · G 41 · B FB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B541FB (chemical formula)

Formula
5,878.018 g/mol
543 atoms

B541FB has a molar mass of 5,878.018 g/mol, made up of 543 atoms across 2 elements: 542 × B, 1 × F.

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Molar mass

Molar mass5,878.018 g/mol

Total atoms per molecule543

Distinct elements2

Mass of one molecule9.7606785 × 10^-21 g

Molecules per gram1.0245189 × 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

B99.7%

F0.3%

Boron (B × 542)5,859.02 g/mol, 99.677%

Fluorine (F)18.998 g/mol, 0.323%

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