What do the colors red and blue mean in Indian culture?

In the Indian religion, the color red is extremely important and it is mainly used in auspicious occasions such as weddings, birth of children, festivals, etc. In ceremonies and important occasions, a red mark is dotted on the forehead. During ceremonies and important occasions, a red mark is placed on the forehead. As a sign of marriage, women put a red powder called sindoor between their hair buns. At weddings, they also wear a red sari. During prayers, Indians often sprinkle red powder on statues of gods and symbols of linga worship. It is also the color of Shakti. Certain deities who are compassionate, brave and caring, and certain deities who have the power to destroy evil, wear a red garment. When a woman dies, her body is wrapped in a red garment and cremated.

Blue:

The Creator gave nature the color blue, such as the blue sky, the sea, rivers and lakes. Blue is the color of the gods who are brave, resolute, determined, able to cope with complex events, and calm. Lord Rama and Krishna dedicated their lives to protecting mankind and fighting evil, hence their symbolic color is blue.