Cerulean Blue is a bright, sky-blue pigment that has been used in art since the 19th century. It is known for its vibrant hue and excellent lightfastness, making it a popular choice among artists. The pigment is made from cobalt stannate, which gives it a unique, rich color that resembles clear skies and tranquil waters. This color is often associated with feelings of calmness and serenity. It is commonly used in various applications, including painting, interior design, and fashion. Vincent van Gogh and Claude Monet are two famous artists who have effectively utilized Cerulean Blue in their works.