Recognised as Colour
#B333DB
- #B333DB
- Violet
- Dark
- Nearest: Dark orchid
#B333DB is a violet with RGB values 179, 51, 219 and HSL 286°, 70%, 53%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Dark orchid.
Colour values
#B333DB#B333DB
HEX#B333DB
RGBrgb(179, 51, 219)
RGB (0–1)0.702, 0.2, 0.8588
RGB percentages70.2%, 20%, 85.9%
HSLhsl(285.7, 70%, 52.9%)
HSV / HSBhsv(285.7, 76.7%, 85.9%)
CMYK18.3%, 76.7%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,744,219
CSS custom property--colour: #B333DB;
Brightness & contrast
Relative luminance0.17066WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.76:1
Contrast with white4.76:1WCAG normal text: AA
Contrast with black4.41:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#4CCC24
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.76:1WCAG large text: AAA
Contrast with black, large text4.41:1WCAG large text: AA
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5BDB33
Analogous#5F33DB, #DB33AF
Triadic#DBB333, #33DBB3
Split complementary#AFDB33, #33DB5F
Tetradic#DB5F33, #5BDB33, #33AFDB
Tints, shades & saturation
Channel breakdown
R179
G51
B219
Red179 (70.2%)
Green51 (20%)
Blue219 (85.9%)
Hue285.71°
Saturation (HSL)70%
Lightness52.94%
Dominant channelBlue
Hex per channelR B3 · G 33 · B DB
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Harmonies
Similar named colours
Also reads as
B333Db (chemical formula)
- Formula
- 3,867.73 g/mol
- 334 atoms
B333Db has a molar mass of 3,867.73 g/mol, made up of 334 atoms across 2 elements: 333 × B, 1 × Db.
Molar mass
Molar mass3,867.73 g/mol
Total atoms per molecule334
Distinct elements2
Mass of one molecule6.4225168 × 10^-21 g
Molecules per gram1.557022 × 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
B93.1%
Db6.9%
Boron (B × 333)3,599.73 g/mol, 93.071%
Dubnium (Db)268 g/mol, 6.929%
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