Hex #275f9d or rgb(39,95,157) in RGB space is the tint of blue. It has hue angle of 211.53 degrees, value = 62 and saturation = 75. #275f9d can be obtained by mixing 4 colors: 2 drops of magenta, 4 drops of blue, 4 drops of cyan, 3 drops of black.
Nearest safe hex - #336699. Below you can see the block with #275f9d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #275f9d to the mixer and play with it.