Blue Envelopes are sure to add a touch of sophistication to your next project. Blue is the color most commonly associated with harmony, faithfulness, confidence, distance, infinity, the imagination, cold, and sometimes with sadness. It is the most popular color, chosen by almost half of both men and women as their favorite color. Blue was the color most associated with the masculine, just ahead of black, and was also the color most associated with intelligence, knowledge, calm and concentration. Choose from many different sizes and styles to help you find the perfect envelope for your needs. Order plain or custom print for your next event.