Hex #376d8c or rgb(55,109,140) in RGB space is the tint of bluish cian. It has hue angle of 201.88 degrees, value = 55 and saturation = 61. #376d8c can be obtained by mixing 4 colors: 4 drops of blue, 2 drops of cyan, 3 drops of white, 5 drops of black.
Nearest safe hex - #336699. Below you can see the block with #376d8c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #376d8c to the mixer and play with it.