Recognised as Colour

#B500FE

#B500FE
Violet
Dark
Nearest: Dark violet

#B500FE is a violet with RGB values 181, 0, 254 and HSL 283°, 100%, 50%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Dark violet.

Colour values

#B500FE#B500FE

HEX#B500FE

RGBrgb(181, 0, 254)

RGB (0–1)0.7098, 0, 0.9961

RGB percentages71%, 0%, 99.6%

HSLhsl(282.8, 100%, 49.8%)

HSV / HSBhsv(282.8, 100%, 99.6%)

CMYK28.7%, 100%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,862,270

CSS custom property--colour: #B500FE;

Brightness & contrast

Relative luminance0.1698WCAG 2.x, 0 is black and 1 is white

Perceived brightness131 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.78:1

Contrast with white4.78:1WCAG normal text: AA

Contrast with black4.4:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#4AFF01

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#006CFFno red cones; affects about 1% of men; ΔE 56.6 from the original

Deuteranopia#0075FAno green cones; the most common form, about 1% of men; ΔE 64.7 from the original

Tritanopia#AA5D96no blue cones; rare, and affects men and women equally; ΔE 79.6 from the original

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

Contrast with white, large text4.78:1WCAG large text: AAA

Contrast with black, large text4.4:1WCAG large text: AA

Named colours

Dark violet · ΔE 17.7 Blue violet · ΔE 20 Fuchsia · ΔE 25.2 Magenta · ΔE 25.2 Dark orchid · ΔE 31 Blue · ΔE 32.9

Nearest named CSS colourDark violet (#9400D3)ΔE 17.68, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#49FE00

Analogous#3600FE, #FE00C8

Triadic#FEB500, #00FEB5

Split complementary#C8FE00, #00FE36

Tetradic#FE3600, #49FE00, #00C8FE

Tints, shades & saturation

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

Lighter +40%#F0CBFF

Lighter +30%#E198FF

Lighter +20%#D365FF

Lighter +10%#C432FF

Darker −10%#9100CB

Darker −20%#6C0098

Darker −30%#480065

Darker −40%#240032

More saturated +25%#B500FE

Less saturated −25%#A820DE

Channel breakdown

R181

B254

Red181 (71%)

Green0 (0%)

Blue254 (99.6%)

Hue282.76°

Saturation (HSL)100%

Lightness49.8%

Dominant channelBlue

Hex per channelR B5 · G 00 · B FE

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B500Fe (chemical formula)

Formula
5,460.845 g/mol
501 atoms

B500Fe has a molar mass of 5,460.845 g/mol, made up of 501 atoms across 2 elements: 500 × B, 1 × Fe.

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Molar mass

Molar mass5,460.845 g/mol

Total atoms per molecule501

Distinct elements2

Mass of one molecule9.0679465 × 10^-21 g

Molecules per gram1.1027855 × 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%

Fe1%

Boron (B × 500)5,405 g/mol, 98.977%

Iron (Fe)55.845 g/mol, 1.023%

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Elements in this formula

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