Oscar Niemeyer rendered the Brazilian capital in sweeping curves of white-painted reinforced concrete — the Congress domes, the Cathedral's hyperboloid crown, the Itamaraty arches — photographed against open sky as light rakes across the surface into soft gray shadow.

This system distills that documented black-and-white photographic treatment into a cool concrete-gray ground, parabolic forms, and clean geometric sans labels. Deep grays mark the shadow and sky end of the range; generous negative space lets every curve breathe.