chì red; bare

Forms

• 赤 free
• 赤 left — 作部件时多居左，如「赦」「赫」

Characters that use it as a component

赦

Characters filed under it as a radical

Kangxi radical no.155 · 7strokes — The 214 Kangxi radicals

Filed under it in a dictionary. That is a lookup convention — it does not mean it is the only part the character is built from.

赤赦