HOW TO MAKE DARK PURPLE: DEEPEN A RICH TONE WITHOUT MUDDINESS
QUICK ANSWER: To make dark purple, start with a clean, saturated purple, then deepen it with a dark blue like ultramarine or a small amount of dioxazine purple. Add black only when you want a flatter, more neutral dark, since black lowers saturation. A touch of the complement, yellow, darkens and mutes at the same time, so use it sparingly.
Dark purple is where a lot of people lose the color. You want a deep, rich purple, but you reach for black, and the mix turns flat and grayish instead of luxurious. The problem is not that your purple is wrong, it is how you are darkening it. Deepen with the right dark pigment and the color stays saturated and alive.
This guide shows you how to make dark purple that stays rich, the difference between deep purple, royal purple, and eggplant, and the exact adjustments that darken without dulling.
What Makes a Purple Dark?
A purple gets darker when its value drops, which means less light comes back from it. You lower the value by adding a darker color, and the color you choose decides whether the result stays rich or goes flat. A dark blue or a deep violet keeps the purple saturated, while black cuts the saturation and can leave the mix looking grey.
How to Deepen Purple Without Going Muddy
Start with a clean base purple from a blue-biased red and a red-biased blue, then deepen in this order. Add ultramarine for a darker, cooler purple that stays vivid. Add a small amount of dioxazine purple when you want more depth without rebuilding the mix from scratch. Keep black as a last option, for when you actually want a neutral, less saturated dark. If the color drifts toward brown or gray, a warm red or too much black is usually the cause.
NOTE: Mixing tip. Deepen a little at a time and mix fully before you judge it. Let a small test swatch dry, since many paints shift slightly between wet and dry.
Deep Purple, Royal Purple and Eggplant
These three dark purples are not the same. Deep purple is a straight, dark version of the base color. Royal purple is a rich, slightly blue dark purple with a regal feel. Eggplant is the darkest and warmest, leaning brownish, almost black. Knowing which one you want tells you how far to deepen and which direction to lean.
How to Make Deep Purple
Deepen a clean base purple with ultramarine or a touch of dioxazine purple. Keep the balance even so it reads as a darker version of the same purple.
How to Make Royal Purple
Start with a saturated purple, add a little blue for depth, and a very small amount of black only if you need it. Royal purple sits rich and slightly cool, reference hex #4B2882.
How to Make Eggplant
Lean a dark purple toward red, then deepen it and add a hint of its complement so it turns earthy and almost black, reference hex #3B2C35.
Dark Shades of Purple
These are common dark purples with reference hex codes for screen work. Color names do not have one universal value, so treat these as practical references and mix paint by eye.
| Shade | Reference Hex | Character |
| Deep Purple | #3D0A5B | Dark, balanced |
| Royal Purple | #4B2882 | Rich, slightly cool |
| Dark Violet | #301934 | Very dark, blue-leaning |
| Byzantium | #5D3054 | Dark red-purple |
| Dark Magenta | #560A4E | Dark, pink-leaning |
| Eggplant | #3B2C35 | Darkest, warm, near black |
Best Pigments for Dark Purple
For paint, the pigments that deepen purple while keeping it rich are a dark blue and a ready-made violet. Ultramarine (PB29) darkens and cools. Dioxazine purple (PV23) adds depth and is highly tinting, so use small amounts. Keep black, such as mars black, for a neutral dark only. Check the pigment code on the tube, since color names and formulations vary by brand.
Common Mistakes When Making Dark Purple
- Reaching for black first, which flattens the color and lowers saturation.
- Starting from a dull or muddy base, so the dark version looks grey.
- Using a warm, orange-leaning red, which pushes the dark mix toward brown.
- Adding too much at once, since dark colors are hard to lighten back.
- Judging the color while wet, before a test swatch has dried.
Frequently Asked Questions About Dark Purple
Getting a Rich Dark Purple
A rich dark purple starts with a clean base and the right way to deepen it. Use ultramarine or dioxazine purple to drop the value while keeping saturation, save black for a neutral dark, and add color a little at a time. For lighter tints and the full family, see the shades of purple guide, and for mixing basics see how to make purple.
Written and reviewed by Zohan, founder and editor of How to Make Purple. This guide was researched using manufacturer pigment information and established color references. Mixing results vary by formulation, brand, surface, and lighting.
Last reviewed: October 15, 2026.