焌黑

jùnhēi
pitch black

CEDICT

Entry Composition

1 焌 jùn
  1. to set fire to
  2. to ignite
2 黑 hēi
  1. black
  2. dark
  3. sinister
  4. secret
  5. shady
  6. illegal
  7. to hide (sth) away
  8. to vilify
  9. (loanword) to hack (computing)