
Acid Blue 193 is a 1:2 metal-complex dye that gives a deep navy blue shade with excellent all-around fastness. It is a benchmark colourant for applications demanding superior durability against light, washing, and environmental exposure. Its primary use is in dyeing nylon and leather, where its strong performance ensures long-lasting, stable colour. The dye’s good solubility and high exhaustion make it an efficient and reliable choice for premium applications.