Starbrite Vampire Red
StarBrite Vampire red is great if you're looking for just a slightly dirty red. It also works well to deepen up some of the oranges.
StarBrite is a full 180 color line of tattoo inks that are bottled, labeled, gamma treated, tested, and shipped according to FDA stipulations. After years of research and development, consulting with the FDA, and meeting all of the guidelines specified, they have some of the most authentic and cleanest tattoo ink that exists today.