Hex #397972 or rgb(57,121,114) in RGB space is the tint of cyan. It has hue angle of 173.44 degrees, value = 47 and saturation = 53. #397972 can be obtained by mixing 4 colors: 3 drops of blue, 2 drops of green, 2 drops of white, 2 drops of black.
Nearest safe hex - #336666. Below you can see the block with #397972 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #397972 to the mixer and play with it.