Hex #2784a4 or rgb(39,132,164) in RGB space is the tint of bluish cian. It has hue angle of 195.36 degrees, value = 64 and saturation = 76. #2784a4 can be obtained by mixing 4 colors: 2 drops of red, 5 drops of blue, 5 drops of cyan, 1 drop of green.
Nearest safe hex - #339999. Below you can see the block with #2784a4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2784a4 to the mixer and play with it.