The Brazilian duo have fallen out of favour under Jose Mourinho, and mega-rich Ligue 1 side PSG are considering a double swoop.
Luiz has been known throughout his time at Stamford Bridge as something of a liability, and it is believed Mourinho will look to offload the whacky but versatile defender.
Oscar meanwhile, started the season brightly and was one of the first names on Mourinho's team-sheet.
However, a dip in form at the back end of the season has seen Mourinho criticise the young playmaker for already focussing on the World Cup.
Despite being hit with a UEFA fine for breaking financial fair play rules, Blanc insists that the Parisian club will continue to look to improve their already talented squad.
"I'm happy to continue the adventure with an ambitious project. It's a pleasure to see that Paris trust me," he is quoted as saying on Goal.com.
"You have to be realistic. When you have all the means at the disposal of PSG, it's embarrassing that you can't do what you want [because of FFP].
"But we have the opportunity to prepare a good team. You have to target the needs and the positions."
The former Manchester United defender went on to confirm his interest in Chelsea's Brazilian pair, adding: "Oscar and David Luiz are very good players. They will interest PSG."
Should Oscar and Luiz join the French club, they'll be linking up with national team-mates Thiago Silva and Lucas Moura, amongst others, at the Parc des Princes.
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