深藍色的十六進位代碼是 #003366。類似的十六進制代碼包括 #003153（普魯士藍色）和 #002E63（冷黑色）。

深藍被認為是藍色的深色調之一。它是一種動態色調，通常與鈷或海軍藍相比。

The color blue dates back to the beginning of ancient recorded history. It can be seen in early fashion, art, and architecture. Interestingly, it was also the first manmade pigment ever created, even before the term existed. In the 18th century, the British Royal Navy selected this particular hue as their uniform color of choice. Many navies have since followed suit.

由於其與海洋的關聯，深藍被認為是一種鎮靜的顏色。它象徵權威，誠信和力量。

深藍色與淡粉紅色、鼠尾草和薄荷綠色等柔和的色調完美搭配。它與豐富的色調同樣搭配，包括各種紅色、橙色和紫色。