Hex #375a8c or rgb(55,90,140) in RGB space is the tint of blue. It has hue angle of 215.29 degrees, value = 55 and saturation = 61. #375a8c can be obtained by mixing 4 colors: 3 drops of magenta, 1 drop of blue, 5 drops of cyan, 5 drops of black.
Nearest safe hex - #336699. Below you can see the block with #375a8c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #375a8c to the mixer and play with it.