Hex #555db0 or rgb(85,93,176) in RGB space is the tint of violet. It has hue angle of 234.73 degrees, value = 69 and saturation = 52. #555db0 can be obtained by mixing 4 colors: 5 drops of magenta, 3 drops of blue, 5 drops of cyan, 2 drops of black.
Nearest safe hex - #666699. Below you can see the block with #555db0 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #555db0 to the mixer and play with it.