Hex #275f83 or rgb(39,95,131) in RGB space is the tint of blue. It has hue angle of 203.48 degrees, value = 51 and saturation = 70. #275f83 can be obtained by mixing 4 colors: 2 drops of red, 4 drops of blue, 4 drops of cyan, 3 drops of black.
Nearest safe hex - #336699. Below you can see the block with #275f83 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #275f83 to the mixer and play with it.