Hex #174b4e or rgb(23,75,78) in RGB space is the tint of cyan. It has hue angle of 183.27 degrees, value = 31 and saturation = 71. #174b4e can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 3 drops of green, 3 drops of black.
Nearest safe hex - #003366. Below you can see the block with #174b4e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #174b4e to the mixer and play with it.