Blue inkBlue ink

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Learn about Japan's traditional colors

2026.6.12

Can you read this? The traditional Japanese color "青墨" is not pronounced "seiboku".














What is the traditional Japanese color "Aosumi" (blue ink)?

















The deep, subdued blue color is called "aosumi" (blue ink). The name originates from the ink itself, which is made by solidifying blue pigment used in Japanese painting into the form of ink sticks. At first glance, it may look gray, but when you look closely, it has a beautiful hue that appears to shimmer with blue. Unlike pure black ink, it allows for a translucent expression, making it a color with extremely delicate expressive power, comparable to works of art that reflect the light and shadow.















Blue ink = aozumi

 

Aozumi ink truly shines when diluted with water. The translucent blue hue that appears when thinly spread evokes images of still water or clear air. "青墨" is pronounced "aozumi."















DIC Traditional Japanese Colors: C90 M0 Y0 K88 / R3 G31 B31 / Aozumi (blue-black ink)












What is “Learn about Japan’s traditional colors”?
We will also introduce beautiful traditional Japanese colors, how to read their kanji, and the background behind the colors. Let's enjoy together the Japanese sensibilities that have been passed down since ancient times.

 

 


Reference books: “Beautiful Japanese Traditional Colors” published by PIE International, “365 Days of Poons Illustrated Book” written by Reki Seikatsu and published by Genkosha

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Learn about Japan's traditional colors

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