Hex #5588c0 or rgb(85,136,192) in RGB space is the tint of blue. It has hue angle of 211.40 degrees, value = 75 and saturation = 56. #5588c0 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of magenta, 3 drops of blue, 5 drops of cyan.
Nearest safe hex - #6699cc. Below you can see the block with #5588c0 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5588c0 to the mixer and play with it.