Hex #5579aa or rgb(85,121,170) in RGB space is the tint of blue. It has hue angle of 214.59 degrees, value = 67 and saturation = 50. #5579aa can be obtained by mixing 4 colors: 2 drops of red, 1 drop of magenta, 2 drops of blue, 4 drops of cyan.
Nearest safe hex - #666699. Below you can see the block with #5579aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5579aa to the mixer and play with it.