Examples of websites using
Silk Serif
(Silk Serif is a serif font designed by Rakel Tómasdóttir and released by SilkType in 2017. The font family includes multiple styles and weights)
with
Futura BT
(Futura BT is a geometric sans-serif font designed by Paul Renner and released by Bitstream in 1927. It is available in multiple styles with various weights and matching italics)