Hex #b178cb or rgb(177,120,203) in RGB space is the tint of purple magenta. It has hue angle of 281.20 degrees, value = 80 and saturation = 41. #b178cb can be obtained by mixing 3 colors: 4 drops of magenta, 4 drops of blue, 5 drops of white.
Nearest safe hex - #9966cc. Below you can see the block with #b178cb color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b178cb to the mixer and play with it.