Hex #4e686f or rgb(78,104,111) in RGB space is the tint of bluish cian. It has hue angle of 192.73 degrees, value = 44 and saturation = 30. #4e686f can be obtained by mixing 4 colors: 4 drops of red, 4 drops of blue, 3 drops of cyan, 2 drops of green.
Nearest safe hex - #666666. Below you can see the block with #4e686f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4e686f to the mixer and play with it.