نیلا (Blue) is a color that is often associated with calmness and tranquility. It is one of the primary colors in the color wheel and can be found in nature, such as in the sky and oceans. The color blue is frequently used in art and design to evoke feelings of peace and serenity. In various cultures, نیلا (Blue) holds different meanings. For example, in Western cultures, it is often linked to trust and loyalty, while in Eastern cultures, it can symbolize immortality and spirituality. The color is also prominent in flags and national symbols, representing unity and freedom.