Hex #1c83b4 or rgb(28,131,180) in RGB space is the tint of bluish cian. It has hue angle of 199.34 degrees, value = 71 and saturation = 84. #1c83b4 can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of blue, 3 drops of cyan, 1 drop of green.
Nearest safe hex - #3399cc. Below you can see the block with #1c83b4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c83b4 to the mixer and play with it.