Recognised as Colour
#F13941
- #F13941
- Red
- Dark
- Nearest: Crimson
#F13941 is a red with RGB values 241, 57, 65 and HSL 357°, 87%, 58%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F13941#F13941
HEX#F13941
RGBrgb(241, 57, 65)
RGB (0–1)0.9451, 0.2235, 0.2549
RGB percentages94.5%, 22.4%, 25.5%
HSLhsl(357.4, 86.8%, 58.4%)
HSV / HSBhsv(357.4, 76.3%, 94.5%)
CMYK0%, 76.3%, 73%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,808,833
CSS custom property--colour: #F13941;
Brightness & contrast
Relative luminance0.22009WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.4:1
Contrast with white3.89:1WCAG normal text: Fail
Contrast with black5.4:1WCAG normal text: AA
Greyscale equivalent#616161
Inverted#0EC6BE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.89:1WCAG large text: AA
Contrast with black, large text5.4:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#39F1E9
Analogous#F1399D, #F18D39
Triadic#41F139, #3941F1
Split complementary#39F18D, #399DF1
Tetradic#9DF139, #39F1E9, #8D39F1
Tints, shades & saturation
Channel breakdown
R241
G57
B65
Red241 (94.5%)
Green57 (22.4%)
Blue65 (25.5%)
Hue357.39°
Saturation (HSL)86.79%
Lightness58.43%
Dominant channelRed
Hex per channelR F1 · G 39 · B 41
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Also reads as
F13941 (chemical formula)
- Formula
- 264,851.118 g/mol
- 13941 atoms
F13941 has a molar mass of 264,851.118 g/mol, made up of 13941 atoms across 1 element: 13941 × F.
Molar mass
Molar mass264,851.118 g/mol
Total atoms per molecule13941
Distinct elements1
Mass of one molecule4.3979563 × 10^-19 g
Molecules per gram2.2737834 × 10^18
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 × 13941)264,851.118 g/mol, 100%
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