Recognised as Colour

#B191FE

#B191FE
Violet
Dark
Nearest: Medium purple

#B191FE is a violet with RGB values 177, 145, 254 and HSL 258°, 98%, 78%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Medium purple.

Colour values

#B191FE#B191FE

HEX#B191FE

RGBrgb(177, 145, 254)

RGB (0–1)0.6941, 0.5686, 0.9961

RGB percentages69.4%, 56.9%, 99.6%

HSLhsl(257.6, 98.2%, 78.2%)

HSV / HSBhsv(257.6, 42.9%, 99.6%)

CMYK30.3%, 42.9%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,637,246

CSS custom property--colour: #B191FE;

Brightness & contrast

Relative luminance0.36754WCAG 2.x, 0 is black and 1 is white

Perceived brightness170.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.35:1

Contrast with white2.51:1WCAG normal text: Fail

Contrast with black8.35:1WCAG normal text: AAA

Greyscale equivalent#A0A0A0

Inverted#4E6E01

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#70A4FFno red cones; affects about 1% of men; ΔE 26.1 from the original

Deuteranopia#75A2FBno green cones; the most common form, about 1% of men; ΔE 25.2 from the original

Tritanopia#A0A5BBno blue cones; rare, and affects men and women equally; ΔE 49.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.51:1WCAG large text: Fail

Contrast with black, large text8.35:1WCAG large text: AAA

Named colours

Medium purple · ΔE 12.3 Medium slateblue · ΔE 22.3 Slate blue · ΔE 23.1 Violet · ΔE 25.5 Royal blue · ΔE 26 Cornflower blue · ΔE 26

Nearest named CSS colourMedium purple (#9370DB)ΔE 12.28, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DEFE91

Analogous#91A8FE, #E791FE

Triadic#FEB191, #91FEB1

Split complementary#FEE791, #A8FE91

Tetradic#FE91A8, #DEFE91, #91FEE7

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#F9F6FF

Lighter +10%#D5C4FE

Darker −10%#8D5EFE

Darker −20%#692CFD

Darker −30%#4902F4

Darker −40%#3A02C1

More saturated +25%#B190FF

Less saturated −25%#B79FF0

Channel breakdown

R177

G145

B254

Red177 (69.4%)

Green145 (56.9%)

Blue254 (99.6%)

Hue257.61°

Saturation (HSL)98.2%

Lightness78.24%

Dominant channelBlue

Hex per channelR B1 · G 91 · B FE

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B191Fe (chemical formula)

Formula
2,120.555 g/mol
192 atoms

B191Fe has a molar mass of 2,120.555 g/mol, made up of 192 atoms across 2 elements: 191 × B, 1 × Fe.

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Molar mass

Molar mass2,120.555 g/mol

Total atoms per molecule192

Distinct elements2

Mass of one molecule3.5212644 × 10^-21 g

Molecules per gram2.839889 × 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

B97.4%

Fe2.6%

Boron (B × 191)2,064.71 g/mol, 97.366%

Iron (Fe)55.845 g/mol, 2.634%

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