Recognised as Colour
#BB12DB
- #BB12DB
- Magenta
- Dark
- Nearest: Dark violet
#BB12DB is a magenta with RGB values 187, 18, 219 and HSL 290°, 85%, 46%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dark violet.
Colour values
#BB12DB#BB12DB
HEX#BB12DB
RGBrgb(187, 18, 219)
RGB (0–1)0.7333, 0.0706, 0.8588
RGB percentages73.3%, 7.1%, 85.9%
HSLhsl(290.4, 84.8%, 46.5%)
HSV / HSBhsv(290.4, 91.8%, 85.9%)
CMYK14.6%, 91.8%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,260,059
CSS custom property--colour: #BB12DB;
Brightness & contrast
Relative luminance0.16112WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.97:1
Contrast with white4.97:1WCAG normal text: AA
Contrast with black4.22:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#44ED24
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.97:1WCAG large text: AAA
Contrast with black, large text4.22:1WCAG large text: AA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#32DB12
Analogous#5712DB, #DB1296
Triadic#DBBB12, #12DBBB
Split complementary#96DB12, #12DB56
Tetradic#DB5712, #32DB12, #1296DB
Tints, shades & saturation
Channel breakdown
R187
G18
B219
Red187 (73.3%)
Green18 (7.1%)
Blue219 (85.9%)
Hue290.45°
Saturation (HSL)84.81%
Lightness46.47%
Dominant channelBlue
Hex per channelR BB · G 12 · B DB
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Harmonies
Similar named colours
Also reads as
BB12Db (chemical formula)
- Formula
- 408.53 g/mol
- 14 atoms
BB12Db has a molar mass of 408.53 g/mol, made up of 14 atoms across 2 elements: 13 × B, 1 × Db.
Molar mass
Molar mass408.53 g/mol
Total atoms per molecule14
Distinct elements2
Mass of one molecule6.7838003 × 10^-22 g
Molecules per gram1.4741 × 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
B34.4%
Db65.6%
Boron (B × 13)140.53 g/mol, 34.399%
Dubnium (Db)268 g/mol, 65.601%
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