Plan quick sketch blue and red color scheme

Quick answer：

A quick sketch color scheme typically involves selecting colors that are complementary or harmonious to convey the intended mood or message. Blue and red are primary colors that are often used together to create a striking contrast or to evoke a strong emotional response. When planning a blue and red color scheme for a quick sketch, one should consider the balance between the two colors, ensuring that neither dominates excessively, and using them effectively to highlight the key elements of the design.