Recognised as Colour

#B15BC3

#B15BC3
Violet
Dark
Nearest: Medium orchid

#B15BC3 is a violet with RGB values 177, 91, 195 and HSL 290°, 46%, 56%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#B15BC3#B15BC3

HEX#B15BC3

RGBrgb(177, 91, 195)

RGB (0–1)0.6941, 0.3569, 0.7647

RGB percentages69.4%, 35.7%, 76.5%

HSLhsl(289.6, 46.4%, 56.1%)

HSV / HSBhsv(289.6, 53.3%, 76.5%)

CMYK9.2%, 53.3%, 0%, 23.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,623,363

CSS custom property--colour: #B15BC3;

Brightness & contrast

Relative luminance0.20769WCAG 2.x, 0 is black and 1 is white

Perceived brightness136.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.15:1

Contrast with white4.07:1WCAG normal text: Fail

Contrast with black5.15:1WCAG normal text: AA

Greyscale equivalent#757575

Inverted#4EA43C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4878C6no red cones; affects about 1% of men; ΔE 42.7 from the original

Deuteranopia#6481C0no green cones; the most common form, about 1% of men; ΔE 43.9 from the original

Tritanopia#B26A86no blue cones; rare, and affects men and women equally; ΔE 41.1 from the original

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

Contrast with white, large text4.07:1WCAG large text: AA

Contrast with black, large text5.15:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 11.3 Orchid · ΔE 12.3 Medium purple · ΔE 17.4 Violet · ΔE 18.2 Rebecca purple · ΔE 22.5 Dark magenta · ΔE 23.4

Nearest named CSS colourMedium orchid (#BA55D3)ΔE 11.31, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6DC35B

Analogous#7D5BC3, #C35BA1

Triadic#C3B15B, #5BC3B1

Split complementary#A1C35B, #5BC37D

Tetradic#C37D5B, #6DC35B, #5BA1C3

Tints, shades & saturation

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

Lighter +40%#F8F0FA

Lighter +30%#E6CBEC

Lighter +20%#D5A6DE

Lighter +10%#C380D1

Darker −10%#993FAC

Darker −20%#783187

Darker −30%#572461

Darker −40%#35163C

More saturated +25%#C33FDF

Less saturated −25%#9F77A7

Channel breakdown

R177

G91

B195

Red177 (69.4%)

Green91 (35.7%)

Blue195 (76.5%)

Hue289.62°

Saturation (HSL)46.43%

Lightness56.08%

Dominant channelBlue

Hex per channelR B1 · G 5B · B C3

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B15BC3 (chemical formula)

Formula
208.993 g/mol
19 atoms

B15BC3 has a molar mass of 208.993 g/mol, made up of 19 atoms across 2 elements: 16 × B, 3 × C.

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Molar mass

Molar mass208.993 g/mol

Total atoms per molecule19

Distinct elements2

Mass of one molecule3.4704104 × 10^-22 g

Molecules per gram2.8815036 × 10^21

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

B82.8%

C17.2%

Boron (B × 16)172.96 g/mol, 82.759%

Carbon (C × 3)36.033 g/mol, 17.241%

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