Recognised as Colour
#B40F99
- #B40F99
- Magenta
- Dark
- Nearest: Dark magenta
#B40F99 is a magenta with RGB values 180, 15, 153 and HSL 310°, 85%, 38%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dark magenta.
Colour values
#B40F99#B40F99
HEX#B40F99
RGBrgb(180, 15, 153)
RGB (0–1)0.7059, 0.0588, 0.6
RGB percentages70.6%, 5.9%, 60%
HSLhsl(309.8, 84.6%, 38.2%)
HSV / HSBhsv(309.8, 91.7%, 70.6%)
CMYK0%, 91.7%, 15%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,800,473
CSS custom property--colour: #B40F99;
Brightness & contrast
Relative luminance0.12345WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.05:1
Contrast with white6.05:1WCAG normal text: AA
Contrast with black3.47:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#4BF066
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.05:1WCAG large text: AAA
Contrast with black, large text3.47:1WCAG large text: AA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0FB42A
Analogous#7C0FB4, #B40F47
Triadic#99B40F, #0F99B4
Split complementary#47B40F, #0FB47C
Tetradic#B47D0F, #0FB42A, #0F47B4
Tints, shades & saturation
Channel breakdown
R180
G15
B153
Red180 (70.6%)
Green15 (5.9%)
Blue153 (60%)
Hue309.82°
Saturation (HSL)84.62%
Lightness38.24%
Dominant channelRed
Hex per channelR B4 · G 0F · B 99
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Harmonies
Similar named colours
Also reads as
B40F99 (chemical formula)
- Formula
- 2,313.202 g/mol
- 139 atoms
B40F99 has a molar mass of 2,313.202 g/mol, made up of 139 atoms across 2 elements: 40 × B, 99 × F.
Molar mass
Molar mass2,313.202 g/mol
Total atoms per molecule139
Distinct elements2
Mass of one molecule3.8411623 × 10^-21 g
Molecules per gram2.6033787 × 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
B18.7%
F81.3%
Boron (B × 40)432.4 g/mol, 18.693%
Fluorine (F × 99)1,880.802 g/mol, 81.307%
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