Recognised as Colour
#F581CF
- #F581CF
- Magenta
- Dark
- Nearest: Hot pink
#F581CF is a magenta with RGB values 245, 129, 207 and HSL 320°, 85%, 73%. It is a dark colour, so black text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Hot pink.
Colour values
#F581CF#F581CF
HEX#F581CF
RGBrgb(245, 129, 207)
RGB (0–1)0.9608, 0.5059, 0.8118
RGB percentages96.1%, 50.6%, 81.2%
HSLhsl(319.7, 85.3%, 73.3%)
HSV / HSBhsv(319.7, 47.3%, 96.1%)
CMYK0%, 47.3%, 15.5%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,089,551
CSS custom property--colour: #F581CF;
Brightness & contrast
Relative luminance0.39618WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.92:1
Contrast with white2.35:1WCAG normal text: Fail
Contrast with black8.92:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#0A7E30
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.35:1WCAG large text: Fail
Contrast with black, large text8.92:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#81F5A7
Analogous#E181F5, #F58195
Triadic#CFF581, #81CFF5
Split complementary#95F581, #81F5E1
Tetradic#F5E181, #81F5A7, #8195F5
Tints, shades & saturation
Channel breakdown
R245
G129
B207
Red245 (96.1%)
Green129 (50.6%)
Blue207 (81.2%)
Hue319.66°
Saturation (HSL)85.29%
Lightness73.33%
Dominant channelRed
Hex per channelR F5 · G 81 · B CF
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Also reads as
F581CF (chemical formula)
- Formula
- 11,068.847 g/mol
- 583 atoms
F581CF has a molar mass of 11,068.847 g/mol, made up of 583 atoms across 2 elements: 582 × F, 1 × C.
Molar mass
Molar mass11,068.847 g/mol
Total atoms per molecule583
Distinct elements2
Mass of one molecule1.8380253 × 10^-20 g
Molecules per gram5.4406216 × 10^19
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
F99.9%
C0.1%
Fluorine (F × 582)11,056.836 g/mol, 99.891%
Carbon (C)12.011 g/mol, 0.109%
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