Hex #2d857d or rgb(45,133,125) in RGB space is the tint of cyan. It has hue angle of 174.55 degrees, value = 52 and saturation = 66. #2d857d can be obtained by mixing 4 colors: 3 drops of red, 5 drops of blue, 5 drops of cyan, 4 drops of green.
Nearest safe hex - #339966. Below you can see the block with #2d857d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2d857d to the mixer and play with it.