Hex #666194 or rgb(102,97,148) in RGB space is the tint of violet. It has hue angle of 245.88 degrees, value = 58 and saturation = 34. #666194 can be obtained by mixing 4 colors: 4 drops of magenta, 4 drops of cyan, 2 drops of white, 5 drops of black.
Nearest safe hex - #666699. Below you can see the block with #666194 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #666194 to the mixer and play with it.