Recognised as Colour
#B731F5
- #B731F5
- Violet
- Dark
- Nearest: Dark violet
#B731F5 is a violet with RGB values 183, 49, 245 and HSL 281°, 91%, 58%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Dark violet.
Colour values
#B731F5#B731F5
HEX#B731F5
RGBrgb(183, 49, 245)
RGB (0–1)0.7176, 0.1922, 0.9608
RGB percentages71.8%, 19.2%, 96.1%
HSLhsl(281, 90.7%, 57.6%)
HSV / HSBhsv(281, 80%, 96.1%)
CMYK25.3%, 80%, 0%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,005,877
CSS custom property--colour: #B731F5;
Brightness & contrast
Relative luminance0.18856WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.77:1
Contrast with white4.4:1WCAG normal text: Fail
Contrast with black4.77:1WCAG normal text: AA
Greyscale equivalent#5C5C5C
Inverted#48CE0A
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.4:1WCAG large text: AA
Contrast with black, large text4.77:1WCAG large text: AAA
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#6FF531
Analogous#5531F5, #F531D1
Triadic#F5B731, #31F5B7
Split complementary#D1F531, #31F555
Tetradic#F55531, #6FF531, #31D1F5
Tints, shades & saturation
Channel breakdown
R183
G49
B245
Red183 (71.8%)
Green49 (19.2%)
Blue245 (96.1%)
Hue281.02°
Saturation (HSL)90.74%
Lightness57.65%
Dominant channelBlue
Hex per channelR B7 · G 31 · B F5
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Harmonies
Similar named colours
Also reads as
B731F5 (chemical formula)
- Formula
- 7,997.1 g/mol
- 736 atoms
B731F5 has a molar mass of 7,997.1 g/mol, made up of 736 atoms across 2 elements: 731 × B, 5 × F.
Molar mass
Molar mass7,997.1 g/mol
Total atoms per molecule736
Distinct elements2
Mass of one molecule1.3279497 × 10^-20 g
Molecules per gram7.5304057 × 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
B98.8%
F1.2%
Boron (B × 731)7,902.11 g/mol, 98.812%
Fluorine (F × 5)94.99 g/mol, 1.188%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page