Recognised as Colour
#B383CA
- #B383CA
- Violet
- Dark
- Nearest: Plum
#B383CA is a violet with RGB values 179, 131, 202 and HSL 281°, 40%, 65%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Plum.
Colour values
#B383CA#B383CA
HEX#B383CA
RGBrgb(179, 131, 202)
RGB (0–1)0.702, 0.5137, 0.7922
RGB percentages70.2%, 51.4%, 79.2%
HSLhsl(280.6, 40.1%, 65.3%)
HSV / HSBhsv(280.6, 35.1%, 79.2%)
CMYK11.4%, 35.1%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,764,682
CSS custom property--colour: #B383CA;
Brightness & contrast
Relative luminance0.30081WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.02:1
Contrast with white2.99:1WCAG normal text: Fail
Contrast with black7.02:1WCAG normal text: AAA
Greyscale equivalent#929292
Inverted#4C7C35
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.99:1WCAG large text: Fail
Contrast with black, large text7.02:1WCAG large text: AAA
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9ACA83
Analogous#9083CA, #CA83BE
Triadic#CAB383, #83CAB3
Split complementary#BECA83, #83CA8F
Tetradic#CA8F83, #9ACA83, #83BECA
Tints, shades & saturation
Channel breakdown
R179
G131
B202
Red179 (70.2%)
Green131 (51.4%)
Blue202 (79.2%)
Hue280.56°
Saturation (HSL)40.11%
Lightness65.29%
Dominant channelBlue
Hex per channelR B3 · G 83 · B CA
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Also reads as
B383Ca (chemical formula)
- Formula
- 4,180.308 g/mol
- 384 atoms
B383Ca has a molar mass of 4,180.308 g/mol, made up of 384 atoms across 2 elements: 383 × B, 1 × Ca.
Molar mass
Molar mass4,180.308 g/mol
Total atoms per molecule384
Distinct elements2
Mass of one molecule6.9415647 × 10^-21 g
Molecules per gram1.4405974 × 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%
Ca1%
Boron (B × 383)4,140.23 g/mol, 99.041%
Calcium (Ca)40.078 g/mol, 0.959%
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