Blue naturally represents both the sea and the sky. In the West it is generally associated with power, purpose, trust, and freedom. In many cultures, it is significant in religious beliefs and is assumed to keep bad spirits at bay. It appears in over half of corporate logos. Have you noticed that some of the biggest organizations such as Facebook and Twitter are branded with the color blue? This is because blue signifies confidence, focus and success. However, sometimes some shades of blue are also considered as ‘cold’.