What is true blue colour?

True blue is a deep, rich, and vivid shade of blue that is typically associated with qualities such as trust, loyalty, confidence, and stability. It is a primary color that is often used in branding, fashion, and interior design as it is versatile, timeless and universally appealing. True blue is perceived as calming and soothing, which is why it is often used in bedrooms and other relaxing spaces. It also has various cultural and symbolic meanings in different parts of the world, such as representing the Virgin Mary in Christianity, signifying wisdom and nobility in ancient Egypt, and symbolizing loyalty and patriotism in the United States.