Hex #717b97 or rgb(113,123,151) in RGB space is the tint of blue violet. It has hue angle of 224.21 degrees, value = 59 and saturation = 25. #717b97 can be obtained by mixing 4 colors: 3 drops of red, 2 drops of blue, 3 drops of cyan, 1 drop of white.
Nearest safe hex - #666699. Below you can see the block with #717b97 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #717b97 to the mixer and play with it.