Hex #80b9d5 or rgb(128,185,213) in RGB space is the tint of bluish cian. It has hue angle of 199.76 degrees, value = 84 and saturation = 40. #80b9d5 can be obtained by mixing 4 colors: 1 drop of magenta, 3 drops of cyan, 3 drops of white, 1 drop of black.
Nearest safe hex - #99cccc. Below you can see the block with #80b9d5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80b9d5 to the mixer and play with it.