Hex #3993c7 or rgb(57,147,199) in RGB space is the tint of bluish cian. It has hue angle of 201.97 degrees, value = 78 and saturation = 71. #3993c7 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of magenta, 2 drops of blue, 5 drops of cyan.
Nearest safe hex - #3399cc. Below you can see the block with #3993c7 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #3993c7 to the mixer and play with it.