Hex #396997 or rgb(57,105,151) in RGB space is the tint of blue. It has hue angle of 209.36 degrees, value = 59 and saturation = 62. #396997 can be obtained by mixing 3 colors: 2 drops of magenta, 4 drops of cyan, 3 drops of black.
Nearest safe hex - #336699. Below you can see the block with #396997 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #396997 to the mixer and play with it.