Recognised as Colour
#F22013
- #F22013
- Red
- Dark
- Nearest: Red
#F22013 is a red with RGB values 242, 32, 19 and HSL 3°, 90%, 51%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#F22013#F22013
HEX#F22013
RGBrgb(242, 32, 19)
RGB (0–1)0.949, 0.1255, 0.0745
RGB percentages94.9%, 12.5%, 7.5%
HSLhsl(3.5, 89.6%, 51.2%)
HSV / HSBhsv(3.5, 92.1%, 94.9%)
CMYK0%, 86.8%, 92.1%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,867,923
CSS custom property--colour: #F22013;
Brightness & contrast
Relative luminance0.19957WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.99:1
Contrast with white4.21:1WCAG normal text: Fail
Contrast with black4.99:1WCAG normal text: AA
Greyscale equivalent#4C4C4C
Inverted#0DDFEC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.21:1WCAG large text: AA
Contrast with black, large text4.99:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#13E5F2
Analogous#F21375, #F29013
Triadic#13F220, #2013F2
Split complementary#13F290, #1375F2
Tetradic#75F213, #13E5F2, #9013F2
Tints, shades & saturation
Channel breakdown
R242
G32
B19
Red242 (94.9%)
Green32 (12.5%)
Blue19 (7.5%)
Hue3.5°
Saturation (HSL)89.56%
Lightness51.18%
Dominant channelRed
Hex per channelR F2 · G 20 · B 13
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Also reads as
F22013 (chemical formula)
- Formula
- 418,202.974 g/mol
- 22013 atoms
F22013 has a molar mass of 418,202.974 g/mol, made up of 22013 atoms across 1 element: 22013 × F.
Molar mass
Molar mass418,202.974 g/mol
Total atoms per molecule22013
Distinct elements1
Mass of one molecule6.9444238 × 10^-19 g
Molecules per gram1.4400043 × 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 × 22013)418,202.974 g/mol, 100%
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