Hex #33678e or rgb(51,103,142) in RGB space is the tint of blue. It has hue angle of 205.71 degrees, value = 56 and saturation = 64. #33678e can be obtained by mixing 4 colors: 3 drops of red, 5 drops of blue, 5 drops of cyan, 2 drops of black.
Nearest safe hex - #336699. Below you can see the block with #33678e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #33678e to the mixer and play with it.