Hex #2b8aa3 or rgb(43,138,163) in RGB space is the tint of bluish cian. It has hue angle of 192.50 degrees, value = 64 and saturation = 74. #2b8aa3 can be obtained by mixing 4 colors: 2 drops of red, 4 drops of blue, 5 drops of cyan, 1 drop of green.
Nearest safe hex - #339999. Below you can see the block with #2b8aa3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b8aa3 to the mixer and play with it.