Hex #37698c or rgb(55,105,140) in RGB space is the tint of blue. It has hue angle of 204.71 degrees, value = 55 and saturation = 61. #37698c can be obtained by mixing 4 colors: 3 drops of red, 4 drops of blue, 5 drops of cyan, 2 drops of black.
Nearest safe hex - #336699. Below you can see the block with #37698c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #37698c to the mixer and play with it.