Hex #0087aa or rgb(0,135,170) in RGB space is the tint of bluish cian. It has hue angle of 192.35 degrees, value = 67 and saturation = 100. #0087aa can be obtained by mixing 4 colors: 5 drops of blue, 4 drops of cyan, 1 drop of green, 1 drop of black.
Nearest safe hex - #009999. Below you can see the block with #0087aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #0087aa to the mixer and play with it.