Hex #3984b4 or rgb(57,132,180) in RGB space is the tint of blue. It has hue angle of 203.41 degrees, value = 71 and saturation = 68. #3984b4 can be obtained by mixing 3 colors: 2 drops of magenta, 5 drops of cyan, 2 drops of black.
Nearest safe hex - #3399cc. Below you can see the block with #3984b4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #3984b4 to the mixer and play with it.