Recognised as Colour
#FB456F
- #FB456F
- Red
- Dark
- Nearest: Crimson
#FB456F is a red with RGB values 251, 69, 111 and HSL 346°, 96%, 63%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#FB456F#FB456F
HEX#FB456F
RGBrgb(251, 69, 111)
RGB (0–1)0.9843, 0.2706, 0.4353
RGB percentages98.4%, 27.1%, 43.5%
HSLhsl(346.2, 95.8%, 62.7%)
HSV / HSBhsv(346.2, 72.5%, 98.4%)
CMYK0%, 72.5%, 55.8%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,467,311
CSS custom property--colour: #FB456F;
Brightness & contrast
Relative luminance0.25913WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.18:1
Contrast with white3.4:1WCAG normal text: Fail
Contrast with black6.18:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#04BA90
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.4:1WCAG large text: AA
Contrast with black, large text6.18:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#45FBD1
Analogous#FB45CA, #FB7645
Triadic#6FFB45, #456FFB
Split complementary#45FB76, #45CAFB
Tetradic#CAFB45, #45FBD1, #7645FB
Tints, shades & saturation
Channel breakdown
R251
G69
B111
Red251 (98.4%)
Green69 (27.1%)
Blue111 (43.5%)
Hue346.15°
Saturation (HSL)95.79%
Lightness62.75%
Dominant channelRed
Hex per channelR FB · G 45 · B 6F
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Harmonies
Similar named colours
Also reads as
FB456F (chemical formula)
- Formula
- 4,967.356 g/mol
- 458 atoms
FB456F has a molar mass of 4,967.356 g/mol, made up of 458 atoms across 2 elements: 2 × F, 456 × B.
Molar mass
Molar mass4,967.356 g/mol
Total atoms per molecule458
Distinct elements2
Mass of one molecule8.2484887 × 10^-21 g
Molecules per gram1.2123433 × 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
F0.8%
B99.2%
Fluorine (F × 2)37.996 g/mol, 0.765%
Boron (B × 456)4,929.36 g/mol, 99.235%
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