It's official: The Dress is blue and black Portrait Petites Collection Courageous Princess Twirl Length Gown Only Little Once The White and Gold (No, Blue and Black!) Dress That Melted the Internet The New York Times 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 or White and Gold? How Your Brain Sees 'the Dress' Business Insider