Well, you’re trying to, anyway.Darkness + Devils sight Warlocks Im looking at you.
At 16 stat and a L1 slot, HW is 5.5 HP and CW is 7.5 HP, or 36% more, or 2 HP more.If you check average healing done, CW beats HW by a meager 2 hp. This is at the cost range and a possible attack with a cantrip. If you take the random way, CW does less than HW about 37.5% of the time (rolls 1-3). It means that the CW is superior or equal at 62.5%. These are pretty good odds if you ask me. The higher you upcast, the less randomness will kick in and CW will always be better. I don't think that cure wound is in a bad spot.
It can keep you fighting longer. This is quite good in my book.I think healing in 5e is overvalued. It's really bad but it's always treated as this big deal and 'OP' if it's too good and I don't get it. It doesn't make you win any faster.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.