Hex #2b978e or rgb(43,151,142) in RGB space is the tint of cyan. It has hue angle of 175.00 degrees, value = 59 and saturation = 72. #2b978e can be obtained by mixing 4 colors: 1 drop of magenta, 1 drop of blue, 2 drops of cyan, 2 drops of green.
Nearest safe hex - #339999. Below you can see the block with #2b978e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b978e to the mixer and play with it.