Hex #55bcd9 or rgb(85,188,217) in RGB space is the tint of bluish cian. It has hue angle of 193.18 degrees, value = 85 and saturation = 61. #55bcd9 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of cyan, 2 drops of white, 1 drop of black.
Nearest safe hex - #66cccc. Below you can see the block with #55bcd9 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55bcd9 to the mixer and play with it.