Recognised as Colour
#B18CD1
- #B18CD1
- Violet
- Dark
- Nearest: Plum
#B18CD1 is a violet with RGB values 177, 140, 209 and HSL 272°, 43%, 68%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Plum.
Colour values
#B18CD1#B18CD1
HEX#B18CD1
RGBrgb(177, 140, 209)
RGB (0–1)0.6941, 0.549, 0.8196
RGB percentages69.4%, 54.9%, 82%
HSLhsl(272.2, 42.9%, 68.4%)
HSV / HSBhsv(272.2, 33%, 82%)
CMYK15.3%, 33%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,635,921
CSS custom property--colour: #B18CD1;
Brightness & contrast
Relative luminance0.32707WCAG 2.x, 0 is black and 1 is white
Perceived brightness160.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.54:1
Contrast with white2.78:1WCAG normal text: Fail
Contrast with black7.54:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#4E732E
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.78:1WCAG large text: Fail
Contrast with black, large text7.54:1WCAG large text: AAA
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#ACD18C
Analogous#8F8CD1, #D18CCF
Triadic#D1B18C, #8CD1B1
Split complementary#CFD18C, #8CD18F
Tetradic#D18F8C, #ACD18C, #8CCFD1
Tints, shades & saturation
Channel breakdown
R177
G140
B209
Red177 (69.4%)
Green140 (54.9%)
Blue209 (82%)
Hue272.17°
Saturation (HSL)42.86%
Lightness68.43%
Dominant channelBlue
Hex per channelR B1 · G 8C · B D1
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Harmonies
Similar named colours
Also reads as
B18Cd1 (chemical formula)
- Formula
- 306.99 g/mol
- 19 atoms
B18Cd1 has a molar mass of 306.99 g/mol, made up of 19 atoms across 2 elements: 18 × B, 1 × Cd.
Molar mass
Molar mass306.99 g/mol
Total atoms per molecule19
Distinct elements2
Mass of one molecule5.0976889 × 10^-22 g
Molecules per gram1.9616733 × 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
B63.4%
Cd36.6%
Boron (B × 18)194.58 g/mol, 63.383%
Cadmium (Cd)112.41 g/mol, 36.617%
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