Hex #b15fb8 or rgb(177,95,184) in RGB space is the tint of magenta. It has hue angle of 295.28 degrees, value = 72 and saturation = 48. #b15fb8 can be obtained by mixing 4 colors: 5 drops of magenta, 3 drops of blue, 4 drops of white, 1 drop of black.
Nearest safe hex - #9966cc. Below you can see the block with #b15fb8 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b15fb8 to the mixer and play with it.