Birth Color Encyclopedia Dark blue
Birth Color Encyclopedia 
Birth Color Encyclopedia The birth color for March 18th is "Swallow Feather" | Explanation of its meaning, personality traits, and color combinations.
Japanese Color Encyclopedia What is Kachi-iro? An explanation of the origin, history, and color schemes of traditional Japanese colors.
Japanese Color Encyclopedia What is navy blue (kon)? An explanation of the origin, history, and color scheme of this traditional Japanese color.
Japanese Color Encyclopedia