Hex #b639b7 or rgb(182,57,183) in RGB space is the tint of magenta. It has hue angle of 299.52 degrees, value = 72 and saturation = 69. #b639b7 can be obtained by mixing 3 colors: 4 drops of magenta, 2 drops of blue, 1 drop of white.
Nearest safe hex - #cc33cc. Below you can see the block with #b639b7 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b639b7 to the mixer and play with it.