Color Contrast & WCAG Calculator
Check the contrast ratio of two colors and WCAG AA or AAA compliance.
FreeNo installationNo server upload
Check the contrast ratio of two colors and WCAG AA or AAA compliance.
Review and save your result.
Contrast ratio
17.74:1
Uses the WCAG relative-luminance formula. Normal-text AA requires at least 4.5:1.
簡短的意見可以幫助我們改進工具。