Hex #20616b or rgb(32,97,107) in RGB space is the tint of bluish cian. It has hue angle of 188.00 degrees, value = 42 and saturation = 70. #20616b can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 1 drop of green, 1 drop of black.
Nearest safe hex - #336666. Below you can see the block with #20616b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #20616b to the mixer and play with it.