Hex #556db2 or rgb(85,109,178) in RGB space is the tint of blue violet. It has hue angle of 224.52 degrees, value = 70 and saturation = 52. #556db2 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of magenta, 5 drops of blue, 3 drops of cyan.
Nearest safe hex - #666699. Below you can see the block with #556db2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #556db2 to the mixer and play with it.