Hex #554564 or rgb(85,69,100) in RGB space is the tint of purple. It has hue angle of 270.97 degrees, value = 39 and saturation = 31. #554564 can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of magenta, 5 drops of blue, 3 drops of black.
Nearest safe hex - #663366. Below you can see the block with #554564 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554564 to the mixer and play with it.