Hex #223c39 or rgb(34,60,57) in RGB space is the tint of cyan. It has hue angle of 173.08 degrees, value = 24 and saturation = 43. #223c39 can be obtained by mixing 4 colors: 2 drops of red, 5 drops of blue, 3 drops of green, 5 drops of black.
Nearest safe hex - #333333. Below you can see the block with #223c39 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #223c39 to the mixer and play with it.