Hex #1a8f89 or rgb(26,143,137) in RGB space is the tint of cyan. It has hue angle of 176.92 degrees, value = 56 and saturation = 82. #1a8f89 can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 2 drops of cyan, 2 drops of green.
Nearest safe hex - #339999. Below you can see the block with #1a8f89 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a8f89 to the mixer and play with it.