Hex #398bbd or rgb(57,139,189) in RGB space is the tint of blue. It has hue angle of 202.73 degrees, value = 74 and saturation = 70. #398bbd can be obtained by mixing 4 colors: 1 drop of red, 4 drops of blue, 3 drops of cyan, 1 drop of white.
Nearest safe hex - #3399cc. Below you can see the block with #398bbd color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #398bbd to the mixer and play with it.