Baekja made during this time was slightly bluish, and was considered to be serene and dignified, portraying the national ideals envisioned at the founding of the dynasty.
Unlike Goryeo ware, which are glazed with the rich vibrant color of celadon and often featured characteristics of nature, Joseon white porcelains (baekja) are characterized by the beauty of modest forms, and minimal use of color, which conveyed the ideals of Korean Confucian state, that was preeminent at the time.
The inimitably unique beauty of Korean culture came to be mirrored in baekja and gradually diversification in color and design became shared by both the court and the common people.
As early as the 15th century, baekja was painted with cobalt blue was highly prized, more so than white ware because of its rarity and difficulty to make.
Iron-brown is often used to paint in unique styles, and some of the best examples reflect carefree and humorous, such as dragons circling the rotund jars.