Hex #277869 or rgb(39,120,105) in RGB space is the tint of greenish cian. It has hue angle of 168.89 degrees, value = 47 and saturation = 68. #277869 can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of blue, 4 drops of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #277869 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #277869 to the mixer and play with it.