Hex #1c8cb4 or rgb(28,140,180) in RGB space is the tint of bluish cian. It has hue angle of 195.79 degrees, value = 71 and saturation = 84. #1c8cb4 can be obtained by mixing 4 colors: 1 drop of magenta, 1 drop of blue, 5 drops of cyan, 2 drops of black.
Nearest safe hex - #3399cc. Below you can see the block with #1c8cb4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c8cb4 to the mixer and play with it.