Hex #203840 or rgb(32,56,64) in RGB space is the tint of bluish cian. It has hue angle of 195.00 degrees, value = 25 and saturation = 50. #203840 can be obtained by mixing 3 colors: 1 drop of yellow, 3 drops of blue, 4 drops of black.
Nearest safe hex - #333333. Below you can see the block with #203840 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #203840 to the mixer and play with it.