Itqualityassurance
WCAG 2.1 requires a contrast ratio of at least 3:1 for graphics and user interface components (such as form input borders). WCAG Level AAA requires a contrast ratio of at least 7:1 for normal text and 4.5:1 for large text.
- What is an acceptable color contrast ratio?
- What are the WCAG 2.1 guidelines?
- What contrast ratio is accessible?
- What is a 4 5 1 contrast ratio?
What is an acceptable color contrast ratio?
Color Contrast Ratios Guidance
Whenever using color in images, ensure that the colors have a contrast ratio of at least 4.5:1. This ensures that the text is still readable to those who may have color blindness.
What are the WCAG 2.1 guidelines?
Web Content Accessibility Guidelines (WCAG) 2.1 defines how to make Web content more accessible to people with disabilities. Accessibility involves a wide range of disabilities, including visual, auditory, physical, speech, cognitive, language, learning, and neurological disabilities.
What contrast ratio is accessible?
Live Example. “WCAG (Web Content Accessibility Guidelines) ensure that content is accessible by everyone, regardless of disability or user device. To meet these standards, text and interactive elements should have a color contrast ratio of at least 4.5:1.
What is a 4 5 1 contrast ratio?
The 4.5:1 ratio is used in this provision to account for the loss in contrast that results from moderately low visual acuity, congenital or acquired color deficiencies, or the loss of contrast sensitivity that typically accompanies aging.
