Literature Reference: The river water is as blue as indigo, and in spring it turns as green as indigo. Source from Bai Juyi's 'Recalling Jiangnan'.
江: Rivers, lakes, and seas, when used in names, often evoke the scholarly spirit, profound wisdom, and the serene and refined demeanor of an individual, while also embodying the essence of relentless striving and perseverance.
蓝: A hue akin to the azure of a clear sky. Above lies the vast cerulean heavens. - Du Fu.
Meaning: Jiang Lan symbolizes the purity, tranquility, and depth of river water, as clear as indigo.