Hex #b646ab or rgb(182,70,171) in RGB space is the tint of magenta. It has hue angle of 305.89 degrees, value = 71 and saturation = 62. #b646ab can be obtained by mixing 4 colors: 4 drops of magenta, 1 drop of cyan, 1 drop of white, 1 drop of black.
Nearest safe hex - #cc3399. Below you can see the block with #b646ab color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b646ab to the mixer and play with it.