Hex #3399aa or rgb(51,153,170) in RGB space is the tint of bluish cian. It has hue angle of 188.57 degrees, value = 67 and saturation = 70. #3399aa can be obtained by mixing 4 colors: 1 drop of blue, 4 drops of cyan, 2 drops of white, 3 drops of black.
Nearest safe hex - #339999. Below you can see the block with #3399aa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #3399aa to the mixer and play with it.