Recognised as Colour
#B40BB1
- #B40BB1
- Magenta
- Dark
- Nearest: Dark magenta
#B40BB1 is a magenta with RGB values 180, 11, 177 and HSL 301°, 88%, 37%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Dark magenta.
Colour values
#B40BB1#B40BB1
HEX#B40BB1
RGBrgb(180, 11, 177)
RGB (0–1)0.7059, 0.0431, 0.6941
RGB percentages70.6%, 4.3%, 69.4%
HSLhsl(301.1, 88.5%, 37.5%)
HSV / HSBhsv(301.1, 93.9%, 70.6%)
CMYK0%, 93.9%, 1.7%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,799,473
CSS custom property--colour: #B40BB1;
Brightness & contrast
Relative luminance0.13117WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.8:1
Contrast with white5.8:1WCAG normal text: AA
Contrast with black3.62:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#4BF44E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.8:1WCAG large text: AAA
Contrast with black, large text3.62:1WCAG large text: AA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0BB40E
Analogous#620BB4, #B40B5D
Triadic#B1B40B, #0BB1B4
Split complementary#5DB40B, #0BB462
Tetradic#B4620B, #0BB40E, #0B5DB4
Tints, shades & saturation
Channel breakdown
R180
G11
B177
Red180 (70.6%)
Green11 (4.3%)
Blue177 (69.4%)
Hue301.07°
Saturation (HSL)88.48%
Lightness37.45%
Dominant channelRed
Hex per channelR B4 · G 0B · B B1
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Harmonies
Similar named colours
Also reads as
B40BB1 (chemical formula)
- Formula
- 454.02 g/mol
- 42 atoms
B40BB1 has a molar mass of 454.02 g/mol, made up of 42 atoms across 1 element: 42 × B.
Molar mass
Molar mass454.02 g/mol
Total atoms per molecule42
Distinct elements1
Mass of one molecule7.5391795 × 10^-22 g
Molecules per gram1.3264043 × 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
B100%
Boron (B × 42)454.02 g/mol, 100%
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