Hex #374856 or rgb(55,72,86) in RGB space is the tint of blue. It has hue angle of 207.10 degrees, value = 34 and saturation = 36. #374856 can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of blue, 4 drops of green, 3 drops of black.
Nearest safe hex - #333366. Below you can see the block with #374856 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #374856 to the mixer and play with it.