Recognised as Colour
#F550BB
- #F550BB
- Magenta
- Dark
- Nearest: Hot pink
#F550BB is a magenta with RGB values 245, 80, 187 and HSL 321°, 89%, 64%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Hot pink.
Colour values
#F550BB#F550BB
HEX#F550BB
RGBrgb(245, 80, 187)
RGB (0–1)0.9608, 0.3137, 0.7333
RGB percentages96.1%, 31.4%, 73.3%
HSLhsl(321.1, 89.2%, 63.7%)
HSV / HSBhsv(321.1, 67.3%, 96.1%)
CMYK0%, 67.3%, 23.7%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,076,987
CSS custom property--colour: #F550BB;
Brightness & contrast
Relative luminance0.28738WCAG 2.x, 0 is black and 1 is white
Perceived brightness160.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.75:1
Contrast with white3.11:1WCAG normal text: Fail
Contrast with black6.75:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#0AAF44
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.11:1WCAG large text: AA
Contrast with black, large text6.75:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#50F58A
Analogous#DD50F5, #F55068
Triadic#BBF550, #50BBF5
Split complementary#68F550, #50F5DD
Tetradic#F5DD50, #50F58A, #5068F5
Tints, shades & saturation
Channel breakdown
R245
G80
B187
Red245 (96.1%)
Green80 (31.4%)
Blue187 (73.3%)
Hue321.09°
Saturation (HSL)89.19%
Lightness63.73%
Dominant channelRed
Hex per channelR F5 · G 50 · B BB
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Also reads as
F550BB (chemical formula)
- Formula
- 10,470.52 g/mol
- 552 atoms
F550BB has a molar mass of 10,470.52 g/mol, made up of 552 atoms across 2 elements: 550 × F, 2 × B.
Molar mass
Molar mass10,470.52 g/mol
Total atoms per molecule552
Distinct elements2
Mass of one molecule1.7386708 × 10^-20 g
Molecules per gram5.7515202 × 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
F99.8%
B0.2%
Fluorine (F × 550)10,448.9 g/mol, 99.794%
Boron (B × 2)21.62 g/mol, 0.206%
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