Hex #555fa5 or rgb(85,95,165) in RGB space is the tint of violet. It has hue angle of 232.50 degrees, value = 65 and saturation = 48. #555fa5 can be obtained by mixing 4 colors: 5 drops of magenta, 5 drops of blue, 3 drops of cyan, 2 drops of green.
Nearest safe hex - #666699. Below you can see the block with #555fa5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #555fa5 to the mixer and play with it.