WCAG Contrast Checker
About This Spell
With a wizard's whisper, Pick foreground and background colors to compute contrast ratio and WCAG compliance (AA/AAA).
How to Cast the Spell
- Choose foreground and background colors.
- Check the contrast and rating.
Privacy-first processing every time
WizardOfAZ tools do not need registrations, no accounts or sign-up required. Totally Free.
- Local only: There are many tools like Text tools, some CSV tools, List tools etc. that are only processed on your browser. Data and Documents are transformed on your machine, so nothing is sent to our servers.
- Transparent progress: Watch the processing banner appear as soon as work begins and know exactly when it completes.
- Clear safeguards: Every tool links directly to our privacy policy and has been reviewed for accessibility.
- Secure Process: Some Tools need to be processed in the servers so the Old Wizard processes your files securely on our servers, keeping them for up to 1 hour so your tool can finish its work—after that, they are automatically deleted after 1 Hour.
“The wizard does everything I need. I can merge sensitive PDFs without a second thought.”
— Morgan, legal operations lead
What is Color Contrast?
Color Contrast is a free utility calculator from WizardOfAZ. Use it to work with values using flexible options as part of your planning and decision making, without installing extra software.
Popular ways to use Color Contrast
- Streamline planning and decision making by using Color Contrast to work with values using flexible options.
- Share deliverables faster—processed values are ready for download in seconds.
- Combine Color Contrast with other WizardOfAZ tools to keep complex workflows in one browser tab.
Examples and workflow tips
- Upload a sample file, cast the spell to work with values using flexible options, and download the processed result instantly.
- Bookmark the Color Contrast in your browser so recurring tasks stay only one click away.
- Share the spell with teammates who need a quick, no-install way to work with values using flexible options.
Frequently asked questions
Is the Color Contrast secure?
Yes. The Color Contrast runs entirely in your browser, which means your numbers never leave your device.
What can I do with the Color Contrast?
You can planning and decision making by processing values without uploading them to an external service.
Can I use Color Contrast on mobile?
Yes. WizardOfAZ tools are responsive, so you can launch the spell on desktops, tablets, or phones without installing extra apps.
Related tools to explore
Expand your toolkit with other WizardOfAZ spells that complement Color Contrast:
- Age Calculator — Use it to calculate age values with instant results.
- Base64 Tool — Use it to work with values using flexible options.
- Birthday Countdown — Use it to work with values using flexible options.