Hex #b151b1 or rgb(177,81,177) in RGB space is the tint of magenta. It has hue angle of 300.00 degrees, value = 69 and saturation = 54. #b151b1 can be obtained by mixing 4 colors: 1 drop of red, 5 drops of magenta, 4 drops of blue, 3 drops of white.
Nearest safe hex - #996699. Below you can see the block with #b151b1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b151b1 to the mixer and play with it.