Contrast checker For colors
Ensuring good contrast between text and background is essential for comfortable reading and accessibility for all. This contrast checker allows you to instantly assess the readability of your colors according to WCAG recommendations.
Color Pickers
Zone d'aperçu
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Morbi cursus lacinia nulla, vitae maximus purus eleifend sit amet. Pellentesque viverra pretium laoreet. Etiam ac facilisis augue. Morbi congue sem at felis lacinia pulvinar. Phasellus ullamcorper volutpat ipsum, a mattis arcu tempus id. Suspendisse id magna sed augue ornare tempus iaculis quis sapien. Pellentesque efficitur odio vel lorem hendrerit pulvinar.
- Faucibus eget nec sapien.
- Phasellus nibh leo, auctor vel tortor efficitur
- Nam sollicitudin viverra molestie.
Everything you need to know About contrast
Contrast directly influences the clarity, visual hierarchy, and inclusivity of a design. This FAQ helps you understand the issues involved and apply best practices.
Why is color contrast essential in web design?
Good contrast ensures comfortable reading for all users. It improves readability, strengthens visual hierarchy, and prevents eye strain, especially on mobile devices or in bright sunlight.
What is the WCAG contrast ratio?
It is a measurement ranging from 1 to 21 that indicates the difference in luminance between two colors. The higher the ratio, the more readable the text.
What are the recommended compliance levels?
WCAG recommends two compliance levels: AA (minimum) and AAA (optimal). Level AA requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Level AAA requires a ratio of 7:1 for normal text and 4.5:1 for large text.
Who is affected by poor contrast?
Anyone with visual impairments (color blindness, low vision), older people, as well as any user in difficult conditions: low light, dirty screens, fatigue, etc.
Is it legally required?
For government bodies and certain public services, yes. For private websites, it is not always mandatory but strongly recommended to improve accessibility and user experience.
How can contrast be easily improved?
Use colors with sufficient differences in luminance, test each combination (text, buttons, links), and adjust your palettes until AA or AAA levels are met.
Is contrast enough to make a website accessible?
No, but it is one of the essential pillars. Good contrast must be combined with readable typography, clear visual hierarchy, and well-defined interactive elements.
Why test contrast for each state (hover, focus)?
Interactive elements must remain readable in all their states. A hover that is too light or a focus that is too dark can make a button difficult to distinguish.
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