Hex #2b534e or rgb(43,83,78) in RGB space is the tint of cyan. It has hue angle of 172.50 degrees, value = 33 and saturation = 48. #2b534e can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of blue, 1 drop of cyan, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #2b534e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b534e to the mixer and play with it.