Open Sans, PT Sans with Poppins in action on oceanvagabond.com

.header-1 { font-family: "PT Sans", sans-serif; font-size: 97.5px; font-style: normal; font-weight: 700; letter-spacing: 60px; line-height: 97.5px; text-transform: uppercase; color: #C4C4C4; }
.content-1 { font-family: "Open Sans", sans-serif; font-size: 14px; font-style: normal; font-weight: 100; letter-spacing: normal; line-height: 25.2px; text-transform: none; color: #000000; }
.content-2 { font-family: Poppins, sans-serif; font-size: 15px; font-style: normal; font-weight: 600; letter-spacing: normal; line-height: 15px; text-transform: uppercase; color: #FFFFFF; }
Open Sans is available from Font Squirrel, Google Web Fonts, MyFonts and Typekit.

Poppins is available from Font Squirrel and Google Web Fonts.

PT Sans is available from Font Squirrel, Fontdeck, Fonts.com, Fontshop, Google Web Fonts, MyFonts, Typekit and YouWorkForThem.

Try this combination out in Pair and Compare.
Found by @mikesten on 31 Aug 2019.

Liked by:
@mikesten

Open Sans, PT Sans with Poppins