Hex #374e61 or rgb(55,78,97) in RGB space is the tint of blue. It has hue angle of 207.14 degrees, value = 38 and saturation = 43. #374e61 can be obtained by mixing 4 colors: 3 drops of red, 2 drops of blue, 4 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #374e61 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #374e61 to the mixer and play with it.