Hex #1c9fbd or rgb(28,159,189) in RGB space is the tint of bluish cian. It has hue angle of 191.18 degrees, value = 74 and saturation = 85. #1c9fbd can be obtained by mixing 4 colors: 4 drops of blue, 3 drops of cyan, 1 drop of green, 1 drop of white.
Nearest safe hex - #3399cc. Below you can see the block with #1c9fbd color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c9fbd to the mixer and play with it.