A combination of red and blue hues creates a visually striking contrast. This pairing can range from deep navy and crimson to vibrant turquoise and scarlet, offering a wide spectrum of moods and effects. For example, a website might use a light blue background with red accents for call-to-action buttons.
This chromatic contrast has a long history, appearing in national flags, corporate branding, and artistic endeavors. The complementary nature of these hues enhances visibility and memorability, making them a powerful choice for conveying a range of emotions, from excitement and energy to trust and authority. This classic combination can evoke feelings of patriotism, strength, or even conflict, depending on the specific shades and context employed.