Hex #33636c or rgb(51,99,108) in RGB space is the tint of bluish cian. It has hue angle of 189.47 degrees, value = 42 and saturation = 53. #33636c can be obtained by mixing 4 colors: 5 drops of blue, 2 drops of green, 3 drops of white, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #33636c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #33636c to the mixer and play with it.