Hex #555b94 or rgb(85,91,148) in RGB space is the tint of violet. It has hue angle of 234.29 degrees, value = 58 and saturation = 43. #555b94 can be obtained by mixing 4 colors: 5 drops of magenta, 5 drops of blue, 2 drops of cyan, 3 drops of green.
Nearest safe hex - #666699. Below you can see the block with #555b94 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #555b94 to the mixer and play with it.