Omnes Pro with Proxima Nova in action on studiompls.com

Under the hood

.header-1 { font-family: omnes-pro, sans-serif; font-size: 74px; font-style: normal; font-weight: 200; letter-spacing: normal; line-height: 76px; text-transform: none; color: #333333; }
.content-1 { font-family: proxima-nova, sans-serif; font-size: 18px; font-style: normal; font-weight: 100; letter-spacing: normal; line-height: 30px; text-transform: none; color: #333333; }

Omnes Pro is available from Typekit.