Hex #555d95 or rgb(85,93,149) in RGB space is the tint of violet. It has hue angle of 232.50 degrees, value = 58 and saturation = 43. #555d95 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of blue, 3 drops of white, 3 drops of black.
Nearest safe hex - #666699. Below you can see the block with #555d95 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #555d95 to the mixer and play with it.