Recognised as Colour
#B50CA5
- #B50CA5
- Magenta
- Dark
- Nearest: Dark magenta
#B50CA5 is a magenta with RGB values 181, 12, 165 and HSL 306°, 88%, 38%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Dark magenta.
Colour values
#B50CA5#B50CA5
HEX#B50CA5
RGBrgb(181, 12, 165)
RGB (0–1)0.7098, 0.0471, 0.6471
RGB percentages71%, 4.7%, 64.7%
HSLhsl(305.7, 87.6%, 37.8%)
HSV / HSBhsv(305.7, 93.4%, 71%)
CMYK0%, 93.4%, 8.8%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,865,253
CSS custom property--colour: #B50CA5;
Brightness & contrast
Relative luminance0.12803WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.9:1
Contrast with white5.9:1WCAG normal text: AA
Contrast with black3.56:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#4AF35A
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.9:1WCAG large text: AAA
Contrast with black, large text3.56:1WCAG large text: AA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0CB51C
Analogous#710CB5, #B50C50
Triadic#A5B50C, #0CA5B5
Split complementary#50B50C, #0CB571
Tetradic#B5710C, #0CB51C, #0C50B5
Tints, shades & saturation
Channel breakdown
R181
G12
B165
Red181 (71%)
Green12 (4.7%)
Blue165 (64.7%)
Hue305.68°
Saturation (HSL)87.56%
Lightness37.84%
Dominant channelRed
Hex per channelR B5 · G 0C · B A5
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Harmonies
Similar named colours
Also reads as
B50Ca5 (chemical formula)
- Formula
- 740.89 g/mol
- 55 atoms
B50Ca5 has a molar mass of 740.89 g/mol, made up of 55 atoms across 2 elements: 50 × B, 5 × Ca.
Molar mass
Molar mass740.89 g/mol
Total atoms per molecule55
Distinct elements2
Mass of one molecule1.2302768 × 10^-21 g
Molecules per gram8.1282522 × 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
B73%
Ca27%
Boron (B × 50)540.5 g/mol, 72.953%
Calcium (Ca × 5)200.39 g/mol, 27.047%
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