Recognised as Colour
#FF15B3
- #FF15B3
- Magenta
- Dark
- Nearest: Deep pink
#FF15B3 is a magenta with RGB values 255, 21, 179 and HSL 319°, 100%, 54%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Deep pink.
Colour values
#FF15B3#FF15B3
HEX#FF15B3
RGBrgb(255, 21, 179)
RGB (0–1)1, 0.0824, 0.702
RGB percentages100%, 8.2%, 70.2%
HSLhsl(319.5, 100%, 54.1%)
HSV / HSBhsv(319.5, 91.8%, 100%)
CMYK0%, 91.8%, 29.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,717,235
CSS custom property--colour: #FF15B3;
Brightness & contrast
Relative luminance0.25051WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.01:1
Contrast with white3.49:1WCAG normal text: Fail
Contrast with black6.01:1WCAG normal text: AA
Greyscale equivalent#525252
Inverted#00EA4C
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.49:1WCAG large text: AA
Contrast with black, large text6.01:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#15FF61
Analogous#D615FF, #FF153E
Triadic#B3FF15, #15B3FF
Split complementary#3EFF15, #15FFD6
Tetradic#FFD615, #15FF61, #153EFF
Tints, shades & saturation
Channel breakdown
R255
G21
B179
Red255 (100%)
Green21 (8.2%)
Blue179 (70.2%)
Hue319.49°
Saturation (HSL)100%
Lightness54.12%
Dominant channelRed
Hex per channelR FF · G 15 · B B3
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Also reads as
FF15B3 (chemical formula)
- Formula
- 336.398 g/mol
- 19 atoms
FF15B3 has a molar mass of 336.398 g/mol, made up of 19 atoms across 2 elements: 16 × F, 3 × B.
Molar mass
Molar mass336.398 g/mol
Total atoms per molecule19
Distinct elements2
Mass of one molecule5.5860202 × 10^-22 g
Molecules per gram1.7901833 × 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
F90.4%
B9.6%
Fluorine (F × 16)303.968 g/mol, 90.36%
Boron (B × 3)32.43 g/mol, 9.64%
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