The color blue is often associated with calmness, tranquility, and serenity. Studies have shown that the color blue can have a calming effect on the mind and body, and is often used in hospitals and spas to create a sense of relaxation.

One reason for this association may be that blue is the color of the sky and the ocean, which are often associated with peaceful and serene environments. Additionally, blue is often used in corporate logos and branding because it is perceived as trustworthy and dependable.

However, it’s important to note that the psychological effects of color are not always universal and can vary depending on individual experiences and cultural associations. For example, in some cultures, blue may be associated with sadness or mourning.

Overall, the psychology of color is a complex topic, and the effects of different colors can vary depending on the context in which they are used. However, the color blue is generally considered to be calming and serene, and is often used in design to create a sense of calmness and tranquility. So, it can be a good choice for design of meditation or relaxation related products or environments.