Hex #662778 or rgb(102,39,120) in RGB space is the tint of purple magenta. It has hue angle of 286.67 degrees, value = 47 and saturation = 68. #662778 can be obtained by mixing 4 colors: 4 drops of magenta, 3 drops of blue, 1 drop of green, 2 drops of black.
Nearest safe hex - #663366. Below you can see the block with #662778 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #662778 to the mixer and play with it.