Red and Blue Poster Design

Quick answer：

Red and blue poster design often utilizes these colors to convey a specific message or emotion. Red is a powerful color that can evoke feelings of passion, energy, or danger, while blue is associated with calmness, trust, and professionalism. Designers may use these colors to create contrast, highlight important information, or set the overall mood of the poster. In marketing and advertising, the choice of colors can significantly influence consumer perception and response.