Color contrast answer

Does #f1f5f9 work on #000000?

#f1f5f9 text on a #000000 background has a contrast ratio of 19.17:1, so it passes WCAG AAA for normal text.

Sample text

Readable UI preview

Reversed pair

Check both directions in Blobb.

Open this page with JavaScript enabled to edit the colors, tune the pair, and compare it against a full palette.