Jiàng zǐ sè bǎn tú

Quick answer：

Jiàng zǐ sè refers to a deep purple color, often used in art and design. 'Board map' could mean a visual representation or a diagram on a board. The term 'Jiàng zǐ sè board map' might refer to a map or diagram depicted in deep purple, possibly in the context of art, design, or cultural significance.