Hex #627b7c or rgb(98,123,124) in RGB space is the tint of cyan. It has hue angle of 182.31 degrees, value = 49 and saturation = 21. #627b7c can be obtained by mixing 4 colors: 2 drops of blue, 1 drop of green, 5 drops of white, 5 drops of black.
Nearest safe hex - #666666. Below you can see the block with #627b7c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #627b7c to the mixer and play with it.