Hex #55aeb4 or rgb(85,174,180) in RGB space is the tint of cyan. It has hue angle of 183.79 degrees, value = 71 and saturation = 53. #55aeb4 can be obtained by mixing 4 colors: 2 drops of magenta, 4 drops of cyan, 2 drops of green, 1 drop of white.
Nearest safe hex - #6699cc. Below you can see the block with #55aeb4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55aeb4 to the mixer and play with it.