Recognised as Colour
#B573C4
- #B573C4
- Violet
- Dark
- Nearest: Orchid
#B573C4 is a violet with RGB values 181, 115, 196 and HSL 289°, 41%, 61%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Orchid.
Colour values
#B573C4#B573C4
HEX#B573C4
RGBrgb(181, 115, 196)
RGB (0–1)0.7098, 0.451, 0.7686
RGB percentages71%, 45.1%, 76.9%
HSLhsl(288.9, 40.7%, 61%)
HSV / HSBhsv(288.9, 41.3%, 76.9%)
CMYK7.7%, 41.3%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,891,652
CSS custom property--colour: #B573C4;
Brightness & contrast
Relative luminance0.26071WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.21:1
Contrast with white3.38:1WCAG normal text: Fail
Contrast with black6.21:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#4A8C3B
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.38:1WCAG large text: AA
Contrast with black, large text6.21:1WCAG large text: AAA
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#82C473
Analogous#8D73C4, #C473AB
Triadic#C4B573, #73C4B5
Split complementary#ABC473, #73C48D
Tetradic#C48D73, #82C473, #73ABC4
Tints, shades & saturation
Channel breakdown
R181
G115
B196
Red181 (71%)
Green115 (45.1%)
Blue196 (76.9%)
Hue288.89°
Saturation (HSL)40.7%
Lightness60.98%
Dominant channelBlue
Hex per channelR B5 · G 73 · B C4
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Also reads as
B573C4 (chemical formula)
- Formula
- 6,242.174 g/mol
- 577 atoms
B573C4 has a molar mass of 6,242.174 g/mol, made up of 577 atoms across 2 elements: 573 × B, 4 × C.
Molar mass
Molar mass6,242.174 g/mol
Total atoms per molecule577
Distinct elements2
Mass of one molecule1.0365374 × 10^-20 g
Molecules per gram9.6475054 × 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
B99.2%
C0.8%
Boron (B × 573)6,194.13 g/mol, 99.23%
Carbon (C × 4)48.044 g/mol, 0.77%
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