5. In the Red category, change your middle slider to 1.24. In Green, change your middle slider to 1.20. In Blue, only change your output levels to 29 (255 should be default, but just check to make sure.)
6. Next, let's create a "Solid color" layer. Click on the same half black/half white circle at the bottom of your layers pallet. Select "Solid color...". It will pull up a window where you can select a color. Be sure to choose a blueish/purple color. You can use my RGB codes to use the same exact color, if you wish.