How is the activity and feeding? Your newborn is having Hypothermia
and full clothing including gloves and socks for hands and feet ,cap for head and full hands dress with a sweater and wrap in a thick cloth and expose face.
If your child is still cold
keep your newborn in skin to skin contact as in kangaroo mother care . Give adequate breastfeeds.
Still your child is hypothermic, consult your Pediatrician