Hex #173b3e or rgb(23,59,62) in RGB space is the tint of cyan. It has hue angle of 184.62 degrees, value = 24 and saturation = 63. #173b3e can be obtained by mixing 4 colors: 1 drop of red, 4 drops of blue, 2 drops of green, 4 drops of black.
Nearest safe hex - #003333. Below you can see the block with #173b3e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #173b3e to the mixer and play with it.