Recognised as Colour

#B781FF

#B781FF
Violet
Dark
Nearest: Medium purple

#B781FF is a violet with RGB values 183, 129, 255 and HSL 266°, 100%, 75%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium purple.

Colour values

#B781FF#B781FF

HEX#B781FF

RGBrgb(183, 129, 255)

RGB (0–1)0.7176, 0.5059, 1

RGB percentages71.8%, 50.6%, 100%

HSLhsl(265.7, 100%, 75.3%)

HSV / HSBhsv(265.7, 49.4%, 100%)

CMYK28.2%, 49.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,026,367

CSS custom property--colour: #B781FF;

Brightness & contrast

Relative luminance0.32988WCAG 2.x, 0 is black and 1 is white

Perceived brightness164.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.6:1

Contrast with white2.76:1WCAG normal text: Fail

Contrast with black7.6:1WCAG normal text: AAA

Greyscale equivalent#969696

Inverted#487E00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#589BFFno red cones; affects about 1% of men; ΔE 35.8 from the original

Deuteranopia#679BFCno green cones; the most common form, about 1% of men; ΔE 34.3 from the original

Tritanopia#A998B4no blue cones; rare, and affects men and women equally; ΔE 54.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.76:1WCAG large text: Fail

Contrast with black, large text7.6:1WCAG large text: AAA

Named colours

Medium purple · ΔE 13.6 Medium slateblue · ΔE 16.3 Medium orchid · ΔE 18.9 Slate blue · ΔE 21.2 Violet · ΔE 22.2 Orchid · ΔE 23.1

Nearest named CSS colourMedium purple (#9370DB)ΔE 13.63, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C9FF81

Analogous#818AFF, #F681FF

Triadic#FFB781, #81FFB7

Split complementary#FFF681, #8AFF81

Tetradic#FF818A, #C9FF81, #81FFF6

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#F1E7FF

Lighter +10%#D4B4FF

Darker −10%#9A4EFF

Darker −20%#7D1BFF

Darker −30%#6300E7

Darker −40%#4D00B4

More saturated +25%#B781FF

Less saturated −25%#B991EF

Channel breakdown

R183

G129

B255

Red183 (71.8%)

Green129 (50.6%)

Blue255 (100%)

Hue265.71°

Saturation (HSL)100%

Lightness75.29%

Dominant channelBlue

Hex per channelR B7 · G 81 · B FF

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B781FF (chemical formula)

Formula
8,480.606 g/mol
783 atoms

B781FF has a molar mass of 8,480.606 g/mol, made up of 783 atoms across 2 elements: 781 × B, 2 × F.

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Molar mass

Molar mass8,480.606 g/mol

Total atoms per molecule783

Distinct elements2

Mass of one molecule1.4082378 × 10^-20 g

Molecules per gram7.1010736 × 10^19

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

B99.6%

F0.4%

Boron (B × 781)8,442.61 g/mol, 99.552%

Fluorine (F × 2)37.996 g/mol, 0.448%

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Elements in this formula

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