Recognised as Colour
#F33FB5
- #F33FB5
- Magenta
- Dark
- Nearest: Medium violet red
#F33FB5 is a magenta with RGB values 243, 63, 181 and HSL 321°, 88%, 60%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Medium violet red.
Colour values
#F33FB5#F33FB5
HEX#F33FB5
RGBrgb(243, 63, 181)
RGB (0–1)0.9529, 0.2471, 0.7098
RGB percentages95.3%, 24.7%, 71%
HSLhsl(320.7, 88.2%, 60%)
HSV / HSBhsv(320.7, 74.1%, 95.3%)
CMYK0%, 74.1%, 25.5%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,941,557
CSS custom property--colour: #F33FB5;
Brightness & contrast
Relative luminance0.25946WCAG 2.x, 0 is black and 1 is white
Perceived brightness154 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.19:1
Contrast with white3.39:1WCAG normal text: Fail
Contrast with black6.19:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#0CC04A
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.39:1WCAG large text: AA
Contrast with black, large text6.19:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3FF37D
Analogous#D73FF3, #F33F5B
Triadic#B5F33F, #3FB5F3
Split complementary#5BF33F, #3FF3D7
Tetradic#F3D73F, #3FF37D, #3F5BF3
Tints, shades & saturation
Channel breakdown
R243
G63
B181
Red243 (95.3%)
Green63 (24.7%)
Blue181 (71%)
Hue320.67°
Saturation (HSL)88.24%
Lightness60%
Dominant channelRed
Hex per channelR F3 · G 3F · B B5
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Also reads as
F33FB5 (chemical formula)
- Formula
- 699.982 g/mol
- 39 atoms
F33FB5 has a molar mass of 699.982 g/mol, made up of 39 atoms across 2 elements: 34 × F, 5 × B.
Molar mass
Molar mass699.982 g/mol
Total atoms per molecule39
Distinct elements2
Mass of one molecule1.1623475 × 10^-21 g
Molecules per gram8.6032795 × 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
F92.3%
B7.7%
Fluorine (F × 34)645.932 g/mol, 92.278%
Boron (B × 5)54.05 g/mol, 7.722%
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