Hex #bb78bc or rgb(187,120,188) in RGB space is the tint of magenta. It has hue angle of 299.12 degrees, value = 74 and saturation = 36. #bb78bc can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of magenta, 4 drops of blue, 5 drops of white.
Nearest safe hex - #cc66cc. Below you can see the block with #bb78bc color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #bb78bc to the mixer and play with it.