Red and blue color blocking tie

Quick answer：

A red and blue color blocking tie is a type of necktie that features a design where the colors red and blue are distinctly separated and often placed in a complementary or contrasting pattern. This style of tie can be found in formal wear and is often chosen for its bold and eye-catching appearance. Color blocking is a design technique that involves using different colors to create geometric shapes or patterns, and it has gained popularity in various fashion items.