Be careful with EDGE values — the color passes validation, but is within 0.5. It may still present a legibility issue even though it gets a passing grade.
Most legible Pair
From the given list of colors, which color combination is the most legible? This does not mean that the color pair will pass minimum requirements, but it has the best chance of passing.
Custom: Use the text input to change the color pairing.
Check your hover text color vs. your body text color
If links are not underlined, there must be 3:1 contrast between link text and body text and also an additional change (e.g., underlining) on mouse hover and keyboard focus. Use the tool to compare your link color against your body text color to see how they pair in the Most Legible column.