Recognised as Colour
#B305F9
- #B305F9
- Violet
- Dark
- Nearest: Dark violet
#B305F9 is a violet with RGB values 179, 5, 249 and HSL 283°, 96%, 50%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Dark violet.
Colour values
#B305F9#B305F9
HEX#B305F9
RGBrgb(179, 5, 249)
RGB (0–1)0.702, 0.0196, 0.9765
RGB percentages70.2%, 2%, 97.6%
HSLhsl(282.8, 96.1%, 49.8%)
HSV / HSBhsv(282.8, 98%, 97.6%)
CMYK28.1%, 98%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,732,473
CSS custom property--colour: #B305F9;
Brightness & contrast
Relative luminance0.16532WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.88:1
Contrast with white4.88:1WCAG normal text: AA
Contrast with black4.31:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#4CFA06
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.88:1WCAG large text: AAA
Contrast with black, large text4.31:1WCAG large text: AA
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4BF905
Analogous#3905F9, #F905C5
Triadic#F9B305, #05F9B3
Split complementary#C5F905, #05F939
Tetradic#F93905, #4BF905, #05C5F9
Tints, shades & saturation
Channel breakdown
R179
G5
B249
Red179 (70.2%)
Green5 (2%)
Blue249 (97.6%)
Hue282.79°
Saturation (HSL)96.06%
Lightness49.8%
Dominant channelBlue
Hex per channelR B3 · G 05 · B F9
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
B305F9 (chemical formula)
- Formula
- 3,468.032 g/mol
- 314 atoms
B305F9 has a molar mass of 3,468.032 g/mol, made up of 314 atoms across 2 elements: 305 × B, 9 × F.
Molar mass
Molar mass3,468.032 g/mol
Total atoms per molecule314
Distinct elements2
Mass of one molecule5.7588026 × 10^-21 g
Molecules per gram1.7364721 × 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
B95.1%
F4.9%
Boron (B × 305)3,297.05 g/mol, 95.07%
Fluorine (F × 9)170.982 g/mol, 4.93%
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