Blue color of contusion seen at
The age of contusion Time since injury color change first day red(Hb) 2-3 days blue(deoxyHb) 4-5 days bluish black/brown(hemosiderin) 5-6 days greenish(hematoidin) 7-10days yellow(bilirubin) By 14 days normal ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE NO 118
First day
2-3 days
4-5 days
5-6 days
Mechanical injuries