Hex #553455 or rgb(85,52,85) in RGB space is the tint of magenta. It has hue angle of 300.00 degrees, value = 33 and saturation = 39. #553455 can be obtained by mixing 4 colors: 2 drops of red, 3 drops of blue, 1 drop of white, 3 drops of black.
Nearest safe hex - #663366. Below you can see the block with #553455 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #553455 to the mixer and play with it.