Hex #1c8fa1 or rgb(28,143,161) in RGB space is the tint of bluish cian. It has hue angle of 188.12 degrees, value = 63 and saturation = 83. #1c8fa1 can be obtained by mixing 4 colors: 1 drop of magenta, 3 drops of blue, 3 drops of cyan, 2 drops of green.
Nearest safe hex - #339999. Below you can see the block with #1c8fa1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c8fa1 to the mixer and play with it.