💡 WCAG Standards
AA (Minimum): Normal text ≥ 4.5:1, Large text ≥ 3:1
AAA (Enhanced): Normal text ≥ 7:1, Large text ≥ 4.5:1
Large text: ≥ 18pt (24px) or ≥ 14pt (18.66px) bold
Contrast ratio is calculated from relative luminance using the WCAG 2.1 formula.