does 1st line on clearblue get darker if you're ovulating or getting close to ovulate?

Tamara • Mommy to my 2 beautiful baby boys, Nathan Louis💙 born August 12, 2017 and Parker Joseph May 6, 2019❤️ My whole world😍
Been darker than it has been. Been testing since 11-8, when AF ended. Currently on CD 18. And usually have cycles of 30-32