Hex #1a8588 or rgb(26,133,136) in RGB space is the tint of cyan. It has hue angle of 181.64 degrees, value = 53 and saturation = 81. #1a8588 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of blue, 4 drops of cyan, 3 drops of black.
Nearest safe hex - #339999. Below you can see the block with #1a8588 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1a8588 to the mixer and play with it.