Hex #627f9d or rgb(98,127,157) in RGB space is the tint of blue. It has hue angle of 210.51 degrees, value = 62 and saturation = 38. #627f9d can be obtained by mixing 4 colors: 4 drops of red, 3 drops of blue, 5 drops of cyan, 1 drop of white.
Nearest safe hex - #666699. Below you can see the block with #627f9d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #627f9d to the mixer and play with it.