Hex #376f5b or rgb(55,111,91) in RGB space is the tint of greenish cian. It has hue angle of 158.57 degrees, value = 44 and saturation = 50. #376f5b can be obtained by mixing 4 colors: 3 drops of red, 5 drops of cyan, 2 drops of green, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #376f5b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #376f5b to the mixer and play with it.