Chili powder is a spice blend that typically includes ground chili peppers along with other ingredients such as cumin, oregano, garlic powder, and sometimes salt. The exact composition of chili powder can vary, and different regions and culinary traditions may have their own variations of this spice mix.

The primary ingredient, ground chili peppers, gives chili powder its characteristic heat and flavor. The level of spiciness can vary depending on the type of chili peppers used. Common varieties include cayenne, ancho, and chipotle peppers.