Ruby Blue Welcome to the luxurious, 4x000D star Ruby Blue in Ostrava. Hotel guests can enjoy a meal at the restaurant on site. Room Facilities Ruby Blue. Smoking is permitted in both the bedrooms and the public areas of the hotel. Please specify when booking. Rooms have wireless internet access available. All rooms feature a stocked minibar. Other Info. The hotel offers an airport shuttle service. Pets are made most welcome at the hotel. A concierge service is provided for guests. The hotel has disabled facilities with wheelchair access to the hotel, reception, restaurant and bar areas of the hotel.