Hex #2b5a55 or rgb(43,90,85) in RGB space is the tint of cyan. It has hue angle of 173.62 degrees, value = 35 and saturation = 52. #2b5a55 can be obtained by mixing 4 colors: 3 drops of blue, 2 drops of green, 2 drops of white, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #2b5a55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b5a55 to the mixer and play with it.