Recognised as Colour
#B51CC4
- #B51CC4
- Magenta
- Dark
- Nearest: Dark orchid
#B51CC4 is a magenta with RGB values 181, 28, 196 and HSL 295°, 75%, 44%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dark orchid.
Colour values
#B51CC4#B51CC4
HEX#B51CC4
RGBrgb(181, 28, 196)
RGB (0–1)0.7098, 0.1098, 0.7686
RGB percentages71%, 11%, 76.9%
HSLhsl(294.6, 75%, 43.9%)
HSV / HSBhsv(294.6, 85.7%, 76.9%)
CMYK7.7%, 85.7%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,869,380
CSS custom property--colour: #B51CC4;
Brightness & contrast
Relative luminance0.1464WCAG 2.x, 0 is black and 1 is white
Perceived brightness121 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.35:1
Contrast with white5.35:1WCAG normal text: AA
Contrast with black3.93:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#4AE33B
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.35:1WCAG large text: AAA
Contrast with black, large text3.93:1WCAG large text: AA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2BC41C
Analogous#611CC4, #C41C7F
Triadic#C4B51C, #1CC4B5
Split complementary#7FC41C, #1CC461
Tetradic#C4611C, #2BC41C, #1C7FC4
Tints, shades & saturation
Channel breakdown
R181
G28
B196
Red181 (71%)
Green28 (11%)
Blue196 (76.9%)
Hue294.64°
Saturation (HSL)75%
Lightness43.92%
Dominant channelBlue
Hex per channelR B5 · G 1C · B C4
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Harmonies
Similar named colours
Also reads as
B51CC4 (chemical formula)
- Formula
- 611.365 g/mol
- 56 atoms
B51CC4 has a molar mass of 611.365 g/mol, made up of 56 atoms across 2 elements: 51 × B, 5 × C.
Molar mass
Molar mass611.365 g/mol
Total atoms per molecule56
Distinct elements2
Mass of one molecule1.0151955 × 10^-21 g
Molecules per gram9.8503198 × 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
B90.2%
C9.8%
Boron (B × 51)551.31 g/mol, 90.177%
Carbon (C × 5)60.055 g/mol, 9.823%
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