Hex #2e858b or rgb(46,133,139) in RGB space is the tint of cyan. It has hue angle of 183.87 degrees, value = 55 and saturation = 67. #2e858b can be obtained by mixing 3 colors: 4 drops of cyan, 2 drops of white, 5 drops of black.
Nearest safe hex - #339999. Below you can see the block with #2e858b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2e858b to the mixer and play with it.