Hex #17877c or rgb(23,135,124) in RGB space is the tint of cyan. It has hue angle of 174.11 degrees, value = 53 and saturation = 83. #17877c can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 2 drops of cyan, 4 drops of green.
Nearest safe hex - #009966. Below you can see the block with #17877c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #17877c to the mixer and play with it.