Recognised as Colour
#B737CB
- #B737CB
- Magenta
- Dark
- Nearest: Dark orchid
#B737CB is a magenta with RGB values 183, 55, 203 and HSL 292°, 59%, 51%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Dark orchid.
Colour values
#B737CB#B737CB
HEX#B737CB
RGBrgb(183, 55, 203)
RGB (0–1)0.7176, 0.2157, 0.7961
RGB percentages71.8%, 21.6%, 79.6%
HSLhsl(291.9, 58.7%, 50.6%)
HSV / HSBhsv(291.9, 72.9%, 79.6%)
CMYK9.9%, 72.9%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,007,371
CSS custom property--colour: #B737CB;
Brightness & contrast
Relative luminance0.17111WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.75:1
Contrast with white4.75:1WCAG normal text: AA
Contrast with black4.42:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#48C834
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.75:1WCAG large text: AAA
Contrast with black, large text4.42:1WCAG large text: AA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4BCB37
Analogous#6D37CB, #CB3795
Triadic#CBB737, #37CBB7
Split complementary#95CB37, #37CB6D
Tetradic#CB6D37, #4BCB37, #3795CB
Tints, shades & saturation
Channel breakdown
R183
G55
B203
Red183 (71.8%)
Green55 (21.6%)
Blue203 (79.6%)
Hue291.89°
Saturation (HSL)58.73%
Lightness50.59%
Dominant channelBlue
Hex per channelR B7 · G 37 · B CB
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Harmonies
Similar named colours
Also reads as
B737CB (chemical formula)
- Formula
- 7,989.791 g/mol
- 739 atoms
B737CB has a molar mass of 7,989.791 g/mol, made up of 739 atoms across 2 elements: 738 × B, 1 × C.
Molar mass
Molar mass7,989.791 g/mol
Total atoms per molecule739
Distinct elements2
Mass of one molecule1.326736 × 10^-20 g
Molecules per gram7.5372945 × 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
B99.8%
C0.2%
Boron (B × 738)7,977.78 g/mol, 99.85%
Carbon (C)12.011 g/mol, 0.15%
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