Hex #55428f or rgb(85,66,143) in RGB space is the tint of purple violet. It has hue angle of 254.81 degrees, value = 56 and saturation = 54. #55428f can be obtained by mixing 3 colors: 2 drops of magenta, 3 drops of blue, 1 drop of green.
Nearest safe hex - #663399. Below you can see the block with #55428f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55428f to the mixer and play with it.