Recognised as Colour
#F73948
- #F73948
- Red
- Dark
- Nearest: Crimson
#F73948 is a red with RGB values 247, 57, 72 and HSL 355°, 92%, 60%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F73948#F73948
HEX#F73948
RGBrgb(247, 57, 72)
RGB (0–1)0.9686, 0.2235, 0.2824
RGB percentages96.9%, 22.4%, 28.2%
HSLhsl(355.3, 92.2%, 59.6%)
HSV / HSBhsv(355.3, 76.9%, 96.9%)
CMYK0%, 76.9%, 70.9%, 3.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,202,056
CSS custom property--colour: #F73948;
Brightness & contrast
Relative luminance0.23168WCAG 2.x, 0 is black and 1 is white
Perceived brightness144 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.63:1
Contrast with white3.73:1WCAG normal text: Fail
Contrast with black5.63:1WCAG normal text: AA
Greyscale equivalent#626262
Inverted#08C6B7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.73:1WCAG large text: AA
Contrast with black, large text5.63:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#39F7E8
Analogous#F739A7, #F78939
Triadic#48F739, #3948F7
Split complementary#39F789, #39A7F7
Tetradic#A7F739, #39F7E8, #8939F7
Tints, shades & saturation
Channel breakdown
R247
G57
B72
Red247 (96.9%)
Green57 (22.4%)
Blue72 (28.2%)
Hue355.26°
Saturation (HSL)92.23%
Lightness59.61%
Dominant channelRed
Hex per channelR F7 · G 39 · B 48
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Also reads as
F73948 (chemical formula)
- Formula
- 1,404,864.104 g/mol
- 73948 atoms
F73948 has a molar mass of 1,404,864.104 g/mol, made up of 73948 atoms across 1 element: 73948 × F.
Molar mass
Molar mass1,404,864.104 g/mol
Total atoms per molecule73948
Distinct elements1
Mass of one molecule2.3328317 × 10^-18 g
Molecules per gram4.2866358 × 10^17
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 × 73948)1,404,864.104 g/mol, 100%
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