Hex #556d98 or rgb(85,109,152) in RGB space is the tint of blue violet. It has hue angle of 218.51 degrees, value = 60 and saturation = 44. #556d98 can be obtained by mixing 4 colors: 3 drops of magenta, 2 drops of blue, 2 drops of cyan, 2 drops of green.
Nearest safe hex - #666699. Below you can see the block with #556d98 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #556d98 to the mixer and play with it.