Hex #377398 or rgb(55,115,152) in RGB space is the tint of blue. It has hue angle of 202.89 degrees, value = 60 and saturation = 64. #377398 can be obtained by mixing 4 colors: 3 drops of magenta, 5 drops of blue, 3 drops of cyan, 3 drops of green.
Nearest safe hex - #336699. Below you can see the block with #377398 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #377398 to the mixer and play with it.