A Hanbok or Joseon-ot is a traditional Korean dress for semi-formal or formal attire during traditional occasions such as festivals, celebrations, and ceremonies. It is characterized by vibrant colors and simple lines without pockets.
Kings usually wore the Gonryongpo that has dragon symbol on it and has red or blue colour. Kings were dressed up like third picture when they go outside or do martial arts.
Queens usually dress up like below. Their hair accessory is different because of period.
Kings and Queens wore below when they have wedding. The accessory on the head is called Gache, and it has about 5kg.
Koreans still wear traditional Hanbok, but some people start to change it to modern style, and people also like it. Here is some picure of Casual Hanbok which reinterprets Hanbok in a modern way.