Recognised as Colour
#F640B4
- #F640B4
- Magenta
- Dark
- Nearest: Medium violet red
#F640B4 is a magenta with RGB values 246, 64, 180 and HSL 322°, 91%, 61%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Medium violet red.
Colour values
#F640B4#F640B4
HEX#F640B4
RGBrgb(246, 64, 180)
RGB (0–1)0.9647, 0.251, 0.7059
RGB percentages96.5%, 25.1%, 70.6%
HSLhsl(321.8, 91%, 60.8%)
HSV / HSBhsv(321.8, 74%, 96.5%)
CMYK0%, 74%, 26.8%, 3.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,138,420
CSS custom property--colour: #F640B4;
Brightness & contrast
Relative luminance0.26555WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.31:1
Contrast with white3.33:1WCAG normal text: Fail
Contrast with black6.31:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#09BF4B
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.33:1WCAG large text: AA
Contrast with black, large text6.31:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#40F682
Analogous#DD40F6, #F64059
Triadic#B4F640, #40B4F6
Split complementary#59F640, #40F6DD
Tetradic#F6DD40, #40F682, #4059F6
Tints, shades & saturation
Channel breakdown
R246
G64
B180
Red246 (96.5%)
Green64 (25.1%)
Blue180 (70.6%)
Hue321.76°
Saturation (HSL)91%
Lightness60.78%
Dominant channelRed
Hex per channelR F6 · G 40 · B B4
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Also reads as
F640B4 (chemical formula)
- Formula
- 12,201.96 g/mol
- 644 atoms
F640B4 has a molar mass of 12,201.96 g/mol, made up of 644 atoms across 2 elements: 640 × F, 4 × B.
Molar mass
Molar mass12,201.96 g/mol
Total atoms per molecule644
Distinct elements2
Mass of one molecule2.0261831 × 10^-20 g
Molecules per gram4.9353881 × 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
F99.6%
B0.4%
Fluorine (F × 640)12,158.72 g/mol, 99.646%
Boron (B × 4)43.24 g/mol, 0.354%
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