Hex #89afe5 or rgb(137,175,229) in RGB space is the tint of blue. It has hue angle of 215.22 degrees, value = 90 and saturation = 40. #89afe5 can be obtained by mixing 4 colors: 3 drops of magenta, 1 drop of blue, 5 drops of cyan, 4 drops of white.
Nearest safe hex - #9999cc. Below you can see the block with #89afe5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #89afe5 to the mixer and play with it.