Hex #398cc7 or rgb(57,140,199) in RGB space is the tint of blue. It has hue angle of 204.93 degrees, value = 78 and saturation = 71. #398cc7 can be obtained by mixing 4 colors: 2 drops of magenta, 1 drop of blue, 5 drops of cyan, 1 drop of black.
Nearest safe hex - #3399cc. Below you can see the block with #398cc7 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #398cc7 to the mixer and play with it.