Indigo
In a few days it would fade to a brown, then to a yellow. Then into non-existence. But for now, Hermione's wrist was a study in blue and purple. She winced as she poked a particularly tender spot, and realised that she'd have to see a Healer for pain and swelling potions. She sighed as she pushed her hair from her face with her good hand. She sat by the table calmly which encouraged Ron Weasley to do the same.
"This is why I have to leave, Ron."