Hex #667277 or rgb(102,114,119) in RGB space is the tint of bluish cian. It has hue angle of 197.65 degrees, value = 47 and saturation = 14. #667277 can be obtained by mixing 4 colors: 3 drops of red, 4 drops of cyan, 3 drops of white, 5 drops of black.
Nearest safe hex - #666666. Below you can see the block with #667277 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #667277 to the mixer and play with it.