Recognised as Colour
#F22442
- #F22442
- Red
- Dark
- Nearest: Crimson
#F22442 is a red with RGB values 242, 36, 66 and HSL 351°, 89%, 55%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F22442#F22442
HEX#F22442
RGBrgb(242, 36, 66)
RGB (0–1)0.949, 0.1412, 0.2588
RGB percentages94.9%, 14.1%, 25.9%
HSLhsl(351.3, 88.8%, 54.5%)
HSV / HSBhsv(351.3, 85.1%, 94.9%)
CMYK0%, 85.1%, 72.7%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,868,994
CSS custom property--colour: #F22442;
Brightness & contrast
Relative luminance0.20532WCAG 2.x, 0 is black and 1 is white
Perceived brightness137 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.11:1
Contrast with white4.11:1WCAG normal text: Fail
Contrast with black5.11:1WCAG normal text: AA
Greyscale equivalent#525252
Inverted#0DDBBD
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.11:1WCAG large text: AA
Contrast with black, large text5.11:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#24F2D4
Analogous#F224A9, #F26D24
Triadic#42F224, #2442F2
Split complementary#24F26D, #24A9F2
Tetradic#A9F224, #24F2D4, #6D24F2
Tints, shades & saturation
Channel breakdown
R242
G36
B66
Red242 (94.9%)
Green36 (14.1%)
Blue66 (25.9%)
Hue351.26°
Saturation (HSL)88.79%
Lightness54.51%
Dominant channelRed
Hex per channelR F2 · G 24 · B 42
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Also reads as
F22442 (chemical formula)
- Formula
- 426,353.116 g/mol
- 22442 atoms
F22442 has a molar mass of 426,353.116 g/mol, made up of 22442 atoms across 1 element: 22442 × F.
Molar mass
Molar mass426,353.116 g/mol
Total atoms per molecule22442
Distinct elements1
Mass of one molecule7.0797601 × 10^-19 g
Molecules per gram1.4124772 × 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 × 22442)426,353.116 g/mol, 100%
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