Hex #1c8bbd or rgb(28,139,189) in RGB space is the tint of bluish cian. It has hue angle of 198.63 degrees, value = 74 and saturation = 85. #1c8bbd can be obtained by mixing 4 colors: 4 drops of blue, 3 drops of cyan, 1 drop of white, 1 drop of black.
Nearest safe hex - #3399cc. Below you can see the block with #1c8bbd color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c8bbd to the mixer and play with it.