Hex #2b8eb9 or rgb(43,142,185) in RGB space is the tint of bluish cian. It has hue angle of 198.17 degrees, value = 73 and saturation = 77. #2b8eb9 can be obtained by mixing 3 colors: 1 drop of red, 2 drops of blue, 3 drops of cyan.
Nearest safe hex - #3399cc. Below you can see the block with #2b8eb9 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b8eb9 to the mixer and play with it.