Hex #555883 or rgb(85,88,131) in RGB space is the tint of violet. It has hue angle of 236.09 degrees, value = 51 and saturation = 35. #555883 can be obtained by mixing 4 colors: 5 drops of magenta, 5 drops of blue, 1 drop of cyan, 4 drops of green.
Nearest safe hex - #666699. Below you can see the block with #555883 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #555883 to the mixer and play with it.