蓝: A hue akin to the azure of a clear sky. Above lies the vast cerulean heavens. - Du Fu.
澈: Clear and pure, often used in names to describe a person as neat and tidy.
Meaning: Blue and clear, it evokes a sense of freshness and purity. Blue symbolizes tranquility and depth, while 'che' (clear) implies transparency, creating a beautiful association with a clear blue sky.