Hex #1c9bc7 or rgb(28,155,199) in RGB space is the tint of bluish cian. It has hue angle of 195.44 degrees, value = 78 and saturation = 86. #1c9bc7 can be obtained by mixing 3 colors: 1 drop of red, 3 drops of blue, 5 drops of cyan.
Nearest safe hex - #3399cc. Below you can see the block with #1c9bc7 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c9bc7 to the mixer and play with it.