Examples of websites using
Plain
('Plain' is a sans-serif font designed by François Rappo and released by Optimo in 2013. The family consists of 11 individual styles, including regular, italic, and bold weights)
with
SangBleu Kingdom
(designed by Ian Party, Swiss Typefaces, Ilya Ruderman and Yury Ostromentsky and released by Swiss Typefaces in 2017)