Hex #627897 or rgb(98,120,151) in RGB space is the tint of blue. It has hue angle of 215.09 degrees, value = 59 and saturation = 35. #627897 can be obtained by mixing 3 colors: 4 drops of blue, 5 drops of white, 4 drops of black.
Nearest safe hex - #666699. Below you can see the block with #627897 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #627897 to the mixer and play with it.