Recognised as Colour
#F10F56
- #F10F56
- Red
- Dark
- Nearest: Crimson
#F10F56 is a red with RGB values 241, 15, 86 and HSL 341°, 89%, 50%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F10F56#F10F56
HEX#F10F56
RGBrgb(241, 15, 86)
RGB (0–1)0.9451, 0.0588, 0.3373
RGB percentages94.5%, 5.9%, 33.7%
HSLhsl(341.2, 89%, 50.2%)
HSV / HSBhsv(341.2, 93.8%, 94.5%)
CMYK0%, 93.8%, 64.3%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,798,102
CSS custom property--colour: #F10F56;
Brightness & contrast
Relative luminance0.19714WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.94:1
Contrast with white4.25:1WCAG normal text: Fail
Contrast with black4.94:1WCAG normal text: AA
Greyscale equivalent#444444
Inverted#0EF0A9
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.25:1WCAG large text: AA
Contrast with black, large text4.94:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0FF1AA
Analogous#F10FC7, #F1390F
Triadic#56F10F, #0F56F1
Split complementary#0FF139, #0FC7F1
Tetradic#C7F10F, #0FF1AA, #390FF1
Tints, shades & saturation
Channel breakdown
R241
G15
B86
Red241 (94.5%)
Green15 (5.9%)
Blue86 (33.7%)
Hue341.15°
Saturation (HSL)88.98%
Lightness50.2%
Dominant channelRed
Hex per channelR F1 · G 0F · B 56
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Also reads as
F10F56 (chemical formula)
- Formula
- 1,253.868 g/mol
- 66 atoms
F10F56 has a molar mass of 1,253.868 g/mol, made up of 66 atoms across 1 element: 66 × F.
Molar mass
Molar mass1,253.868 g/mol
Total atoms per molecule66
Distinct elements1
Mass of one molecule2.0820968 × 10^-21 g
Molecules per gram4.8028507 × 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
F100%
Fluorine (F × 66)1,253.868 g/mol, 100%
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