Hex #0081aa or rgb(0,129,170) in RGB space is the tint of bluish cian. It has hue angle of 194.47 degrees, value = 67 and saturation = 100. #0081aa can be obtained by mixing 3 colors: 3 drops of blue, 4 drops of cyan, 2 drops of black.
Nearest safe hex - #009999. Below you can see the block with #0081aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #0081aa to the mixer and play with it.