Recognised as Colour
#F40F71
- #F40F71
- Red
- Dark
- Nearest: Deep pink
#F40F71 is a red with RGB values 244, 15, 113 and HSL 334°, 91%, 51%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Deep pink.
Colour values
#F40F71#F40F71
HEX#F40F71
RGBrgb(244, 15, 113)
RGB (0–1)0.9569, 0.0588, 0.4431
RGB percentages95.7%, 5.9%, 44.3%
HSLhsl(334.3, 91.2%, 50.8%)
HSV / HSBhsv(334.3, 93.9%, 95.7%)
CMYK0%, 93.9%, 53.7%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,994,737
CSS custom property--colour: #F40F71;
Brightness & contrast
Relative luminance0.20767WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.15:1
Contrast with white4.07:1WCAG normal text: Fail
Contrast with black5.15:1WCAG normal text: AA
Greyscale equivalent#474747
Inverted#0BF08E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.07:1WCAG large text: AA
Contrast with black, large text5.15:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0FF492
Analogous#F40FE3, #F41F0F
Triadic#71F40F, #0F71F4
Split complementary#0FF41F, #0FE3F4
Tetradic#E4F40F, #0FF492, #200FF4
Tints, shades & saturation
Channel breakdown
R244
G15
B113
Red244 (95.7%)
Green15 (5.9%)
Blue113 (44.3%)
Hue334.32°
Saturation (HSL)91.24%
Lightness50.78%
Dominant channelRed
Hex per channelR F4 · G 0F · B 71
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Also reads as
F40F71 (chemical formula)
- Formula
- 2,108.778 g/mol
- 111 atoms
F40F71 has a molar mass of 2,108.778 g/mol, made up of 111 atoms across 1 element: 111 × F.
Molar mass
Molar mass2,108.778 g/mol
Total atoms per molecule111
Distinct elements1
Mass of one molecule3.5017083 × 10^-21 g
Molecules per gram2.855749 × 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 × 111)2,108.778 g/mol, 100%
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