#ffffff on #f472b6 contrast ratio
2.64:1
White text (#ffffff) on a light pink (Tailwind pink-400) background (#f472b6) fails every WCAG 2.2 contrast threshold.
Swap: #f472b6 on #ffffffLarge text sample
Normal body text in #ffffff on #f472b6. The quick brown fox jumps over the lazy dog.
WCAG 2.2 results
| Normal text — WCAG 1.4.3 AA | 4.5:1 | Fail |
|---|---|---|
| Large text — WCAG 1.4.3 AA | 3:1 | Fail |
| UI components & icons — WCAG 1.4.11 AA | 3:1 | Fail |
| Normal text — WCAG 1.4.6 AAA | 7:1 | Fail |
| Large text — WCAG 1.4.6 AAA | 4.5:1 | Fail |
Nearest passing colours
AA (4.5:1)
AAA (7:1)
How it looks with colour blindness
Simulated with the Machado et al. (2009) model at full severity.
- Aa
Protanopia (no red cones)
3.14:1
- Aa
Deuteranopia (no green cones)
2.39:1
- Aa
Tritanopia (no blue cones)
2.67:1
- Aa
Achromatopsia (no colour)
2.64:1
Try a different pair
Colours
Hex, rgb() or hsl(). Alpha is composited.
Preview
Large heading text
Normal body text at 14 px. The quick brown fox jumps over the lazy dog.
Colour-blindness preview
Simulated with Machado et al. (2009), full severity.
- AaProtanopia (no red cones)3.14:1
- AaDeuteranopia (no green cones)2.39:1
- AaTritanopia (no blue cones)2.67:1
- AaAchromatopsia (no colour)2.64:1
Contrast ratio
2.64:1
| Check | Criterion | Needs | Result |
|---|---|---|---|
| Normal text | 1.4.3 AA | 4.5:1 | Fail |
| Large text | 1.4.3 AA | 3:1 | Fail |
| UI components & graphics | 1.4.11 AA | 3:1 | Fail |
| Normal text | 1.4.6 AAA | 7:1 | Fail |
| Large text | 1.4.6 AAA | 4.5:1 | Fail |
Nearest passing colours
Same hue, lightness adjusted in OKLCH.
AA — 4.5:1
Change text
#363636 · 4.56:1
Change background
#c5478d · 4.50:1
AAA — 7:1
Change text
#131313 · 7.01:1
Change background
#a1236e · 7.04:1
Large text means at least 24 CSS px, or 18.66 CSS px bold. Ratios are truncated, never rounded, so 4.49:1 is shown as failing 4.5:1.
Questions about this pair
- Is #ffffff on #f472b6 accessible?
- No. At 2.64:1 it fails every WCAG 2.2 text contrast threshold, including the 3:1 minimum for large text and UI components.
- What is the contrast ratio of #ffffff and #f472b6?
- 2.64:1, calculated with the WCAG 2.2 relative luminance formula. The ratio is truncated, not rounded, so it never shows a failing pair as passing.
- What colour passes AA on #f472b6?
- #363636 is the closest colour to #ffffff — same hue, adjusted lightness — that reaches 4.5:1 on #f472b6.
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