Hex #99acc7 or rgb(153,172,199) in RGB space is the tint of blue. It has hue angle of 215.22 degrees, value = 78 and saturation = 23. #99acc7 can be obtained by mixing 4 colors: 4 drops of magenta, 4 drops of cyan, 2 drops of green, 5 drops of white.
Nearest safe hex - #9999cc. Below you can see the block with #99acc7 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99acc7 to the mixer and play with it.