Recognised as Colour
#FF309F
- #FF309F
- Magenta
- Dark
- Nearest: Deep pink
#FF309F is a magenta with RGB values 255, 48, 159 and HSL 328°, 100%, 59%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Deep pink.
Colour values
#FF309F#FF309F
HEX#FF309F
RGBrgb(255, 48, 159)
RGB (0–1)1, 0.1882, 0.6235
RGB percentages100%, 18.8%, 62.4%
HSLhsl(327.8, 100%, 59.4%)
HSV / HSBhsv(327.8, 81.2%, 100%)
CMYK0%, 81.2%, 37.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,724,127
CSS custom property--colour: #FF309F;
Brightness & contrast
Relative luminance0.25877WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.18:1
Contrast with white3.4:1WCAG normal text: Fail
Contrast with black6.18:1WCAG normal text: AA
Greyscale equivalent#646464
Inverted#00CF60
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.4:1WCAG large text: AA
Contrast with black, large text6.18:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#30FF90
Analogous#F830FF, #FF3037
Triadic#9FFF30, #309FFF
Split complementary#37FF30, #30FFF8
Tetradic#FFF830, #30FF90, #3037FF
Tints, shades & saturation
Channel breakdown
R255
G48
B159
Red255 (100%)
Green48 (18.8%)
Blue159 (62.4%)
Hue327.83°
Saturation (HSL)100%
Lightness59.41%
Dominant channelRed
Hex per channelR FF · G 30 · B 9F
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Also reads as
FF309F (chemical formula)
- Formula
- 5,908.378 g/mol
- 311 atoms
FF309F has a molar mass of 5,908.378 g/mol, made up of 311 atoms across 1 element: 311 × F.
Molar mass
Molar mass5,908.378 g/mol
Total atoms per molecule311
Distinct elements1
Mass of one molecule9.8110925 × 10^-21 g
Molecules per gram1.0192545 × 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 × 311)5,908.378 g/mol, 100%
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