Hex #5575a1 or rgb(85,117,161) in RGB space is the tint of blue. It has hue angle of 214.74 degrees, value = 63 and saturation = 47. #5575a1 can be obtained by mixing 3 colors: 4 drops of blue, 3 drops of white, 2 drops of black.
Nearest safe hex - #666699. Below you can see the block with #5575a1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5575a1 to the mixer and play with it.