Examples of websites using
Circe
(designed by Alexandra Korolkova and Marya Kharlamova (Selezeneva) and released by ParaType in 2018)
with
Proxima Nova
(Proxima Nova is a sans-serif font designed by Mark Simonson Studio. It has a balanced and modern design, with a total of 120 individual styles including 12 weights and matching italics to suit various design needs)