Recognised as Colour
#F73F75
- #F73F75
- Red
- Dark
- Nearest: Crimson
#F73F75 is a red with RGB values 247, 63, 117 and HSL 342°, 92%, 61%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F73F75#F73F75
HEX#F73F75
RGBrgb(247, 63, 117)
RGB (0–1)0.9686, 0.2471, 0.4588
RGB percentages96.9%, 24.7%, 45.9%
HSLhsl(342.4, 92%, 60.8%)
HSV / HSBhsv(342.4, 74.5%, 96.9%)
CMYK0%, 74.5%, 52.6%, 3.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,203,637
CSS custom property--colour: #F73F75;
Brightness & contrast
Relative luminance0.24614WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.92:1
Contrast with white3.55:1WCAG normal text: Fail
Contrast with black5.92:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#08C08A
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.55:1WCAG large text: AA
Contrast with black, large text5.92:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3FF7C1
Analogous#F73FD1, #F7653F
Triadic#75F73F, #3F75F7
Split complementary#3FF765, #3FD1F7
Tetradic#D1F73F, #3FF7C1, #653FF7
Tints, shades & saturation
Channel breakdown
R247
G63
B117
Red247 (96.9%)
Green63 (24.7%)
Blue117 (45.9%)
Hue342.39°
Saturation (HSL)92%
Lightness60.78%
Dominant channelRed
Hex per channelR F7 · G 3F · B 75
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
F73F75 (chemical formula)
- Formula
- 2,811.704 g/mol
- 148 atoms
F73F75 has a molar mass of 2,811.704 g/mol, made up of 148 atoms across 1 element: 148 × F.
Molar mass
Molar mass2,811.704 g/mol
Total atoms per molecule148
Distinct elements1
Mass of one molecule4.6689443 × 10^-21 g
Molecules per gram2.1418118 × 10^20
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 × 148)2,811.704 g/mol, 100%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Elements in this formula
Nerdulate something else
Nothing in mind? Surprise me · today’s page