Recognised as Colour
#F20049
- #F20049
- Red
- Dark
- Nearest: Crimson
#F20049 is a red with RGB values 242, 0, 73 and HSL 342°, 100%, 47%. 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
#F20049#F20049
HEX#F20049
RGBrgb(242, 0, 73)
RGB (0–1)0.949, 0, 0.2863
RGB percentages94.9%, 0%, 28.6%
HSLhsl(341.9, 100%, 47.5%)
HSV / HSBhsv(341.9, 100%, 94.9%)
CMYK0%, 100%, 69.8%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,859,785
CSS custom property--colour: #F20049;
Brightness & contrast
Relative luminance0.19358WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.87:1
Contrast with white4.31:1WCAG normal text: Fail
Contrast with black4.87:1WCAG normal text: AA
Greyscale equivalent#393939
Inverted#0DFFB6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.31:1WCAG large text: AA
Contrast with black, large text4.87:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00F2A9
Analogous#F200C2, #F23000
Triadic#49F200, #0049F2
Split complementary#00F230, #00C2F2
Tetradic#C2F200, #00F2A9, #3000F2
Tints, shades & saturation
Channel breakdown
R242
G0
B73
Red242 (94.9%)
Green0 (0%)
Blue73 (28.6%)
Hue341.9°
Saturation (HSL)100%
Lightness47.45%
Dominant channelRed
Hex per channelR F2 · G 00 · B 49
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Also reads as
F20049 (chemical formula)
- Formula
- 380,890.902 g/mol
- 20049 atoms
F20049 has a molar mass of 380,890.902 g/mol, made up of 20049 atoms across 1 element: 20049 × F.
Molar mass
Molar mass380,890.902 g/mol
Total atoms per molecule20049
Distinct elements1
Mass of one molecule6.3248422 × 10^-19 g
Molecules per gram1.5810671 × 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 × 20049)380,890.902 g/mol, 100%
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