Hex #627da4 or rgb(98,125,164) in RGB space is the tint of blue. It has hue angle of 215.45 degrees, value = 64 and saturation = 40. #627da4 can be obtained by mixing 3 colors: 5 drops of blue, 5 drops of white, 3 drops of black.
Nearest safe hex - #666699. Below you can see the block with #627da4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #627da4 to the mixer and play with it.