Recognised as Colour
#F37FB7
- #F37FB7
- Red
- Dark
- Nearest: Pale violetred
#F37FB7 is a red with RGB values 243, 127, 183 and HSL 331°, 83%, 73%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Pale violetred.
Colour values
#F37FB7#F37FB7
HEX#F37FB7
RGBrgb(243, 127, 183)
RGB (0–1)0.9529, 0.498, 0.7176
RGB percentages95.3%, 49.8%, 71.8%
HSLhsl(331, 82.9%, 72.5%)
HSV / HSBhsv(331, 47.7%, 95.3%)
CMYK0%, 47.7%, 24.7%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,957,943
CSS custom property--colour: #F37FB7;
Brightness & contrast
Relative luminance0.37652WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.53:1
Contrast with white2.46:1WCAG normal text: Fail
Contrast with black8.53:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#0C8048
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.46:1WCAG large text: Fail
Contrast with black, large text8.53:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#7FF3BB
Analogous#F37FF1, #F3817F
Triadic#B7F37F, #7FB7F3
Split complementary#7FF381, #7FF1F3
Tetradic#F1F37F, #7FF3BB, #817FF3
Tints, shades & saturation
Channel breakdown
R243
G127
B183
Red243 (95.3%)
Green127 (49.8%)
Blue183 (71.8%)
Hue331.03°
Saturation (HSL)82.86%
Lightness72.55%
Dominant channelRed
Hex per channelR F3 · G 7F · B B7
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Also reads as
F37FB7 (chemical formula)
- Formula
- 797.594 g/mol
- 45 atoms
F37FB7 has a molar mass of 797.594 g/mol, made up of 45 atoms across 2 elements: 38 × F, 7 × B.
Molar mass
Molar mass797.594 g/mol
Total atoms per molecule45
Distinct elements2
Mass of one molecule1.324436 × 10^-21 g
Molecules per gram7.5503837 × 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
F90.5%
B9.5%
Fluorine (F × 38)721.924 g/mol, 90.513%
Boron (B × 7)75.67 g/mol, 9.487%
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