Hex #338e99 or rgb(51,142,153) in RGB space is the tint of cyan. It has hue angle of 186.47 degrees, value = 60 and saturation = 67. #338e99 can be obtained by mixing 3 colors: 1 drop of red, 3 drops of cyan, 1 drop of black.
Nearest safe hex - #339999. Below you can see the block with #338e99 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #338e99 to the mixer and play with it.