The dress is blue. Here's why So I searched up the black and blue dress : r opticalillusions Remember when the internet went absolutely nuts on the colour of a dress? The dress was blue and black. The original viral poster, Caitlin McNeill, later said it was a black and blue dress ZQUUVOU Women's Knit Dress Bodycon Long Sleeve Square Neck Mini Dress Black,M Walmart.com If You Say The Dress Is Black and Blue TikTok