Hex #553aa1 or rgb(85,58,161) in RGB space is the tint of purple violet. It has hue angle of 255.73 degrees, value = 63 and saturation = 64. #553aa1 can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of blue, 1 drop of cyan, 1 drop of black.
Nearest safe hex - #663399. Below you can see the block with #553aa1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #553aa1 to the mixer and play with it.