Roboto with Roboto Slab in action on postreach.co

Under the hood

.header-1 { font-family: 'Roboto Slab', serif; font-size: 40px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: 55px; text-transform: none; color: #F2F2F2; }
.content-1 { font-family: Roboto, sans-serif; font-size: 18px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 30px; text-transform: none; color: #D0D7D7; }