The dye produced from indigo plants is blue. Indigo dye has been valued for centuries due to its rich and vibrant hue, making it popular in textile production. The indigo plant, especially Indigofera tinctoria, has been cultivated worldwide for dyeing fabrics, particularly cotton. Unlike synthetic dyes, indigo dye undergoes a unique process involving fermentation and oxidation, resulting in its characteristic blue color. Indigo-dyed fabrics have historical significance in various cultures and remain a favored choice in fashion and art today. The deep blue of indigo dye continues to inspire many due to its cultural and aesthetic value.