Hex #628589 or rgb(98,133,137) in RGB space is the tint of cyan. It has hue angle of 186.15 degrees, value = 54 and saturation = 28. #628589 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of cyan, 4 drops of white, 5 drops of black.
Nearest safe hex - #669999. Below you can see the block with #628589 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #628589 to the mixer and play with it.