Usually it is blood stained fluid, but without seeing you in person it is impossible to say for sure. Best to contact your doctor.
The clear and obvious answer is contact your surgeon for Advice and review.It is not wise to go by online advice Esp Right after surgery
Excessive bleeding after surgery
It is hard to say what is going on unless I assessed you in person. Please contact your surgeon and see what he/she says and get in to see her to ensure all of your stitches are still in place.
Suspected bleeding after liposuction should be reported to your surgeon.
Drainage of Burgundy tumescent fluid is common after liposuction. Blood however is not and should be reported to your surgeon.
Contact your surgeon if you have concerns after surgery
If you are having concerns after your surgery, best to call your surgeon. None of us can advise you properly.