Dye is particularty tought to get out but yes, there is a treatment you can try found on page 14 of Blind Dates Can Be Murder. Its called the 'Big Drip' treatment.
1. Stretch the fabric over a big bowl and secure it with a rubber band.
2. Put the bowl in the sink.
3. Turn on the faucet to where cold water slowly drips and let it drip directly on the stain all night long.
Make sure it's cold water!