Hex #3993da or rgb(57,147,218) in RGB space is the tint of blue. It has hue angle of 206.46 degrees, value = 85 and saturation = 74. #3993da can be obtained by mixing 3 colors: 2 drops of magenta, 2 drops of blue, 5 drops of cyan.
Nearest safe hex - #3399cc. Below you can see the block with #3993da color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #3993da to the mixer and play with it.