Recognised as Colour
#F37CA1
- #F37CA1
- Red
- Dark
- Nearest: Pale violetred
#F37CA1 is a red with RGB values 243, 124, 161 and HSL 341°, 83%, 72%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Pale violetred.
Colour values
#F37CA1#F37CA1
HEX#F37CA1
RGBrgb(243, 124, 161)
RGB (0–1)0.9529, 0.4863, 0.6314
RGB percentages95.3%, 48.6%, 63.1%
HSLhsl(341.3, 83.2%, 72%)
HSV / HSBhsv(341.3, 49%, 95.3%)
CMYK0%, 49%, 33.7%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,957,153
CSS custom property--colour: #F37CA1;
Brightness & contrast
Relative luminance0.36043WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.21:1
Contrast with white2.56:1WCAG normal text: Fail
Contrast with black8.21:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#0C835E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.56:1WCAG large text: Fail
Contrast with black, large text8.21:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#7CF3CE
Analogous#F37CDC, #F3927C
Triadic#A1F37C, #7CA1F3
Split complementary#7CF392, #7CDDF3
Tetradic#DCF37C, #7CF3CE, #937CF3
Tints, shades & saturation
Channel breakdown
R243
G124
B161
Red243 (95.3%)
Green124 (48.6%)
Blue161 (63.1%)
Hue341.34°
Saturation (HSL)83.22%
Lightness71.96%
Dominant channelRed
Hex per channelR F3 · G 7C · B A1
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Harmonies
Similar named colours
Also reads as
F37Ca1 (chemical formula)
- Formula
- 743.004 g/mol
- 38 atoms
F37Ca1 has a molar mass of 743.004 g/mol, made up of 38 atoms across 2 elements: 37 × F, 1 × Ca.
Molar mass
Molar mass743.004 g/mol
Total atoms per molecule38
Distinct elements2
Mass of one molecule1.2337872 × 10^-21 g
Molecules per gram8.1051256 × 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
F94.6%
Ca5.4%
Fluorine (F × 37)702.926 g/mol, 94.606%
Calcium (Ca)40.078 g/mol, 5.394%
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