Hex #89bdde or rgb(137,189,222) in RGB space is the tint of blue. It has hue angle of 203.29 degrees, value = 87 and saturation = 38. #89bdde can be obtained by mixing 4 colors: 2 drops of magenta, 5 drops of cyan, 5 drops of white, 1 drop of black.
Nearest safe hex - #99cccc. Below you can see the block with #89bdde color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #89bdde to the mixer and play with it.