Hex #277369 or rgb(39,115,105) in RGB space is the tint of greenish cian. It has hue angle of 172.11 degrees, value = 45 and saturation = 66. #277369 can be obtained by mixing 4 colors: 2 drops of magenta, 4 drops of cyan, 3 drops of green, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #277369 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #277369 to the mixer and play with it.