Hex #397698 or rgb(57,118,152) in RGB space is the tint of bluish cian. It has hue angle of 201.47 degrees, value = 60 and saturation = 63. #397698 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of red, 5 drops of blue, 2 drops of cyan.
Nearest safe hex - #336699. Below you can see the block with #397698 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #397698 to the mixer and play with it.