Hex #228e88 or rgb(34,142,136) in RGB space is the tint of cyan. It has hue angle of 176.67 degrees, value = 56 and saturation = 76. #228e88 can be obtained by mixing 4 colors: 2 drops of magenta, 4 drops of blue, 4 drops of cyan, 5 drops of green.
Nearest safe hex - #339999. Below you can see the block with #228e88 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #228e88 to the mixer and play with it.