Hex #55a8bd or rgb(85,168,189) in RGB space is the tint of bluish cian. It has hue angle of 192.12 degrees, value = 74 and saturation = 55. #55a8bd can be obtained by mixing 4 colors: 2 drops of red, 1 drop of blue, 5 drops of cyan, 1 drop of white.
Nearest safe hex - #6699cc. Below you can see the block with #55a8bd color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55a8bd to the mixer and play with it.