Hex #376d5b or rgb(55,109,91) in RGB space is the tint of greenish cian. It has hue angle of 160.00 degrees, value = 43 and saturation = 50. #376d5b can be obtained by mixing 4 colors: 3 drops of blue, 3 drops of green, 3 drops of white, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #376d5b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #376d5b to the mixer and play with it.