# Color Contrast Checker — Free Online Tool | Ibrahim Tools

> Check foreground/background contrast against WCAG 2.x AA and AAA thresholds.

Canonical: https://tools.ibrahimwali.com/contrast-checker
Author: [Muhammad Ibrahim](https://ibrahimwali.com)

## How to use

1. Enter solid foreground and background HEX colors.
2. Review the contrast ratio and pass/fail thresholds.
3. Adjust the colors and test your real interface.

## Questions and limitations

### How do I use the color contrast checker?

Enter solid foreground and background HEX colors. Review the contrast ratio and pass/fail thresholds. Adjust the colors and test your real interface.

### What should I check before using the result?

This calculates contrast for opaque sRGB colors. It does not assess gradients, images, font rendering, focus behavior, or full accessibility compliance.

### Is my input stored or uploaded?

No. Tool input stays in browser memory and is not sent to a server. Favorites and recent tool names are saved locally only. Reloading clears your input.

## Guide

- [Color Contrast Checker guide](https://tools.ibrahimwali.com/blog/contrast-checker-guide)

## Related tools

- [HEX / RGB / HSL Color Converter](https://tools.ibrahimwali.com/color-converter)
- [Meta Tag Preview](https://tools.ibrahimwali.com/meta-tag-preview)