Hex #339cbb or rgb(51,156,187) in RGB space is the tint of bluish cian. It has hue angle of 193.68 degrees, value = 73 and saturation = 73. #339cbb can be obtained by mixing 3 colors: 1 drop of red, 1 drop of blue, 3 drops of cyan.
Nearest safe hex - #3399cc. Below you can see the block with #339cbb color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #339cbb to the mixer and play with it.