Questrial in action on userguiding.com

.header-1 { font-family: Questrial, sans-serif; font-size: 34px; font-style: normal; font-weight: 300; letter-spacing: -0.34px; line-height: 44.2px; text-transform: none; color: #3E4045; }
.content-1 { font-family: Questrial, sans-serif; font-size: 18px; font-style: normal; font-weight: 400; letter-spacing: normal; line-height: 30px; text-transform: none; color: #8B95A3; }
Questrial is available from Font Squirrel and Google Web Fonts.

Try this combination out in Pair and Compare.
Found by @mikesten on 19 Jan 2018.

Liked by:
@mikesten @Joshua_D_ @gtfemy

Questrial