martin luther king jr. day i have a dream typography over blue texture background

activist african american art background banner black blackboard blue border card celebration chalkboard civil concept dark day design dream event flag flags font freedom graphic greeting happy have hero history holiday holidays honor horizontal icon illustration independence january king leader lettering letters logo luther martin memorial message mlk national navy paper postcard poster preacher red remembering rights sign speech star stars states stripes symbol text texture type typing typography united unity usa vector white word words writing