Hex #999cd5 or rgb(153,156,213) in RGB space is the tint of violet. It has hue angle of 237.00 degrees, value = 84 and saturation = 28. #999cd5 can be obtained by mixing 3 colors: 1 drop of magenta, 4 drops of blue, 5 drops of white.
Nearest safe hex - #9999cc. Below you can see the block with #999cd5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #999cd5 to the mixer and play with it.