Hex #552d79 or rgb(85,45,121) in RGB space is the tint of purple. It has hue angle of 271.58 degrees, value = 47 and saturation = 63. #552d79 can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of blue, 1 drop of white, 4 drops of black.
Nearest safe hex - #663366. Below you can see the block with #552d79 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #552d79 to the mixer and play with it.