Hex #396c8e or rgb(57,108,142) in RGB space is the tint of blue. It has hue angle of 204.00 degrees, value = 56 and saturation = 60. #396c8e can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of blue, 2 drops of green, 1 drop of white.
Nearest safe hex - #336699. Below you can see the block with #396c8e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #396c8e to the mixer and play with it.