Hex #667ec4 or rgb(102,126,196) in RGB space is the tint of blue violet. It has hue angle of 224.68 degrees, value = 77 and saturation = 48. #667ec4 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of magenta, 1 drop of blue, 5 drops of cyan.
Nearest safe hex - #6666cc. Below you can see the block with #667ec4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #667ec4 to the mixer and play with it.