Hex #338d89 or rgb(51,141,137) in RGB space is the tint of cyan. It has hue angle of 177.33 degrees, value = 55 and saturation = 64. #338d89 can be obtained by mixing 3 colors: 5 drops of blue, 3 drops of green, 2 drops of white.
Nearest safe hex - #339999. Below you can see the block with #338d89 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #338d89 to the mixer and play with it.