Hex #5593aa or rgb(85,147,170) in RGB space is the tint of bluish cian. It has hue angle of 196.24 degrees, value = 67 and saturation = 50. #5593aa can be obtained by mixing 4 colors: 3 drops of blue, 3 drops of cyan, 5 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #5593aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5593aa to the mixer and play with it.