Hex #89afbe or rgb(137,175,190) in RGB space is the tint of bluish cian. It has hue angle of 196.98 degrees, value = 75 and saturation = 28. #89afbe can be obtained by mixing 4 colors: 3 drops of red, 1 drop of blue, 5 drops of cyan, 4 drops of white.
Nearest safe hex - #9999cc. Below you can see the block with #89afbe color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #89afbe to the mixer and play with it.