Don't worry about it. You seem to be doing it right. The author just used #333333 as an example because people tend to just think "I can't use pure black" rathe

Don't worry about it. You seem to be doing it right. The author just used #333333 as an example because people tend to just think "I can't use pure black" rather than still being conscious of their contrast. You seem to give thought towards it and pick shades that still retain readable contrast.