Hex #397598 or rgb(57,117,152) in RGB space is the tint of bluish cian. It has hue angle of 202.11 degrees, value = 60 and saturation = 63. #397598 can be obtained by mixing 4 colors: 2 drops of magenta, 3 drops of blue, 2 drops of cyan, 2 drops of green.
Nearest safe hex - #336699. Below you can see the block with #397598 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #397598 to the mixer and play with it.