Hex #336699 or rgb(51,102,153) in RGB space is the tint of blue. It has hue angle of 210.00 degrees, value = 60 and saturation = 67. #336699 can be obtained by mixing 4 colors: 2 drops of magenta, 1 drop of blue, 4 drops of cyan, 3 drops of black.
Nearest safe hex - #336699. Below you can see the block with #336699 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #336699 to the mixer and play with it.