Hex #6634a2 or rgb(102,52,162) in RGB space is the tint of purple. It has hue angle of 267.27 degrees, value = 64 and saturation = 68. #6634a2 can be obtained by mixing 4 colors: 4 drops of magenta, 4 drops of blue, 1 drop of cyan, 1 drop of black.
Nearest safe hex - #663399. Below you can see the block with #6634a2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6634a2 to the mixer and play with it.