Confused

So after my pt timer had went off there was a very faint line and as time went on the line got darker. After the 3 minutes I checked again at 5 minutes and I’m not too sure on what to believe because some of you have said that with blue dye tests it’s possible to get an evap line. Most of my friends that I’ve shown have seen a tint of blue in it and it leads me to believe I am in fact pregnant but I’ll keep you guys updated. I have a ultrasound next week, I’m really hoping I am pregnant.