Hex #277370 or rgb(39,115,112) in RGB space is the tint of cyan. It has hue angle of 177.63 degrees, value = 45 and saturation = 66. #277370 can be obtained by mixing 4 colors: 2 drops of magenta, 5 drops of blue, 1 drop of cyan, 5 drops of green.
Nearest safe hex - #336666. Below you can see the block with #277370 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #277370 to the mixer and play with it.