The actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example Black and Blue Dress : r stylesavvy Blue Lace Prom Dresses With long Sleeves High Split Lace Evening Dress Hoprom White and Gold or Blue and Black Dress Explained & Busted La Femme 32955 Dress La Femme Dresses Formal Approach 00 Navy