Dark CONTROL LINE

SASHA • Mom of 2 boys! 💙👶🏽 KAYDEN & KARTER 👶🏽💙 9/21 & 1/19
I'm 8dpo and I gave in and tested and yes I know it's early but I've been reading that some women have gotten a BFP at 8dpo. Anyways it was a BFN but the control line was super dark. Does this mean anything????