Hex #a273a3 or rgb(162,115,163) in RGB space is the tint of magenta. It has hue angle of 298.75 degrees, value = 64 and saturation = 29. #a273a3 can be obtained by mixing 4 colors: 4 drops of magenta, 2 drops of blue, 2 drops of green, 3 drops of white.
Nearest safe hex - #996699. Below you can see the block with #a273a3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #a273a3 to the mixer and play with it.