Recognised as Colour
#F70555
- #F70555
- Red
- Dark
- Nearest: Crimson
#F70555 is a red with RGB values 247, 5, 85 and HSL 340°, 96%, 49%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F70555#F70555
HEX#F70555
RGBrgb(247, 5, 85)
RGB (0–1)0.9686, 0.0196, 0.3333
RGB percentages96.9%, 2%, 33.3%
HSLhsl(340.2, 96%, 49.4%)
HSV / HSBhsv(340.2, 98%, 96.9%)
CMYK0%, 98%, 65.6%, 3.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,188,757
CSS custom property--colour: #F70555;
Brightness & contrast
Relative luminance0.20539WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.11:1
Contrast with white4.11:1WCAG normal text: Fail
Contrast with black5.11:1WCAG normal text: AA
Greyscale equivalent#3E3E3E
Inverted#08FAAA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.11:1WCAG large text: AA
Contrast with black, large text5.11:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#05F7A7
Analogous#F705CE, #F72E05
Triadic#55F705, #0555F7
Split complementary#05F72E, #05CEF7
Tetradic#CEF705, #05F7A7, #2E05F7
Tints, shades & saturation
Channel breakdown
R247
G5
B85
Red247 (96.9%)
Green5 (2%)
Blue85 (33.3%)
Hue340.17°
Saturation (HSL)96.03%
Lightness49.41%
Dominant channelRed
Hex per channelR F7 · G 05 · B 55
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Also reads as
F70555 (chemical formula)
- Formula
- 1,340,403.89 g/mol
- 70555 atoms
F70555 has a molar mass of 1,340,403.89 g/mol, made up of 70555 atoms across 1 element: 70555 × F.
Molar mass
Molar mass1,340,403.89 g/mol
Total atoms per molecule70555
Distinct elements1
Mass of one molecule2.225793 × 10^-18 g
Molecules per gram4.4927807 × 10^17
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 × 70555)1,340,403.89 g/mol, 100%
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