Hex #377298 or rgb(55,114,152) in RGB space is the tint of blue. It has hue angle of 203.51 degrees, value = 60 and saturation = 64. #377298 can be obtained by mixing 4 colors: 5 drops of blue, 2 drops of cyan, 3 drops of white, 4 drops of black.
Nearest safe hex - #336699. Below you can see the block with #377298 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #377298 to the mixer and play with it.