E133 - Brilliant blue FCF
By the Daat team · Updated October 30, 2026
E133, brilliant blue, is a synthetic blue colour.
Blue ice lollies, sweets, sports drinks and cake decorations. Very little food is naturally blue, so most blue on the shelf is E133. Mixed with yellow it makes green, so it also hides in green products.
116 products in our catalog contain E133, or 0.7% of those with an ingredient list. Most of them are chocolate and sweets and drinks.
E133 at a glance
| Fact | Value |
|---|---|
| Name | Brilliant blue FCF |
| Function | Colour |
| Origin | Plant, mineral or synthetic |
| Vegan / vegetarian | Yes / Yes |
Is E133 vegan?
Yes. E133 has no animal source, so it suits both vegans and vegetarians.