Hex #628183 or rgb(98,129,131) in RGB space is the tint of cyan. It has hue angle of 183.64 degrees, value = 51 and saturation = 25. #628183 can be obtained by mixing 4 colors: 1 drop of red, 4 drops of magenta, 4 drops of cyan, 4 drops of green.
Nearest safe hex - #669999. Below you can see the block with #628183 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #628183 to the mixer and play with it.