Hex #20434b or rgb(32,67,75) in RGB space is the tint of bluish cian. It has hue angle of 191.16 degrees, value = 29 and saturation = 57. #20434b can be obtained by mixing 4 colors: 2 drops of magenta, 5 drops of blue, 4 drops of green, 5 drops of black.
Nearest safe hex - #333333. Below you can see the block with #20434b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #20434b to the mixer and play with it.