An optoelectronic component and an assembly with an optoectronic component are disclosed. In an embodiment an optoelectronic component includes an optical element with an outer surface and an inner surface that faces away from the outer surface, wherein the inner surface includes a first region of the optical element, in which the inner surface is flat, wherein the inner surface includes a second region of the optical element, wherein the second region adjoins the first region, and wherein the inner surface includes a third region of the optical element, in which the inner surface extends from the second region in the direction of a housing.