Recognised as Colour
#F33BBB
- #F33BBB
- Magenta
- Dark
- Nearest: Medium violet red
#F33BBB is a magenta with RGB values 243, 59, 187 and HSL 318°, 88%, 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 Medium violet red.
Colour values
#F33BBB#F33BBB
HEX#F33BBB
RGBrgb(243, 59, 187)
RGB (0–1)0.9529, 0.2314, 0.7333
RGB percentages95.3%, 23.1%, 73.3%
HSLhsl(318.3, 88.5%, 59.2%)
HSV / HSBhsv(318.3, 75.7%, 95.3%)
CMYK0%, 75.7%, 23%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,940,539
CSS custom property--colour: #F33BBB;
Brightness & contrast
Relative luminance0.2577WCAG 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 6.15:1
Contrast with white3.41:1WCAG normal text: Fail
Contrast with black6.15:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#0CC444
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.41:1WCAG large text: AA
Contrast with black, large text6.15:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3BF373
Analogous#CF3BF3, #F33B5F
Triadic#BBF33B, #3BBBF3
Split complementary#5FF33B, #3BF3CF
Tetradic#F3CF3B, #3BF373, #3B5FF3
Tints, shades & saturation
Channel breakdown
R243
G59
B187
Red243 (95.3%)
Green59 (23.1%)
Blue187 (73.3%)
Hue318.26°
Saturation (HSL)88.46%
Lightness59.22%
Dominant channelRed
Hex per channelR F3 · G 3B · B BB
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Also reads as
F33BBB (chemical formula)
- Formula
- 659.364 g/mol
- 36 atoms
F33BBB has a molar mass of 659.364 g/mol, made up of 36 atoms across 2 elements: 33 × F, 3 × B.
Molar mass
Molar mass659.364 g/mol
Total atoms per molecule36
Distinct elements2
Mass of one molecule1.0948997 × 10^-21 g
Molecules per gram9.1332568 × 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
F95.1%
B4.9%
Fluorine (F × 33)626.934 g/mol, 95.082%
Boron (B × 3)32.43 g/mol, 4.918%
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