Hex #2b858e or rgb(43,133,142) in RGB space is the tint of cyan. It has hue angle of 185.45 degrees, value = 56 and saturation = 70. #2b858e can be obtained by mixing 4 colors: 1 drop of red, 2 drops of blue, 2 drops of cyan, 1 drop of green.
Nearest safe hex - #339999. Below you can see the block with #2b858e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b858e to the mixer and play with it.