Hex #274d6f or rgb(39,77,111) in RGB space is the tint of blue. It has hue angle of 208.33 degrees, value = 44 and saturation = 65. #274d6f can be obtained by mixing 4 colors: 2 drops of red, 4 drops of blue, 3 drops of cyan, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #274d6f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #274d6f to the mixer and play with it.