Recognised as Colour
#FC4F7B
- #FC4F7B
- Red
- Dark
- Nearest: Crimson
#FC4F7B is a red with RGB values 252, 79, 123 and HSL 345°, 97%, 65%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#FC4F7B#FC4F7B
HEX#FC4F7B
RGBrgb(252, 79, 123)
RGB (0–1)0.9882, 0.3098, 0.4824
RGB percentages98.8%, 31%, 48.2%
HSLhsl(344.7, 96.6%, 64.9%)
HSV / HSBhsv(344.7, 68.7%, 98.8%)
CMYK0%, 68.7%, 51.2%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,535,419
CSS custom property--colour: #FC4F7B;
Brightness & contrast
Relative luminance0.27717WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.54:1
Contrast with white3.21:1WCAG normal text: Fail
Contrast with black6.54:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#03B084
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.21:1WCAG large text: AA
Contrast with black, large text6.54:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4FFCD0
Analogous#FC4FD2, #FC794F
Triadic#7BFC4F, #4F7BFC
Split complementary#4FFC79, #4FD2FC
Tetradic#D2FC4F, #4FFCD0, #794FFC
Tints, shades & saturation
Channel breakdown
R252
G79
B123
Red252 (98.8%)
Green79 (31%)
Blue123 (48.2%)
Hue344.74°
Saturation (HSL)96.65%
Lightness64.9%
Dominant channelRed
Hex per channelR FC · G 4F · B 7B
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Also reads as
FC4F7B (chemical formula)
- Formula
- 210.838 g/mol
- 13 atoms
FC4F7B has a molar mass of 210.838 g/mol, made up of 13 atoms across 3 elements: 8 × F, 4 × C, 1 × B.
Molar mass
Molar mass210.838 g/mol
Total atoms per molecule13
Distinct elements3
Mass of one molecule3.5010474 × 10^-22 g
Molecules per gram2.8562881 × 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
F72.1%
C22.8%
B5.1%
Fluorine (F × 8)151.984 g/mol, 72.086%
Carbon (C × 4)48.044 g/mol, 22.787%
Boron (B)10.81 g/mol, 5.127%
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