Hex #1a9391 or rgb(26,147,145) in RGB space is the tint of cyan. It has hue angle of 179.01 degrees, value = 58 and saturation = 82. #1a9391 can be obtained by mixing 4 colors: 1 drop of magenta, 3 drops of blue, 3 drops of cyan, 3 drops of green.
Nearest safe hex - #339999. Below you can see the block with #1a9391 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a9391 to the mixer and play with it.