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#ffffff on #c084fc contrast ratio

2.64:1

White text (#ffffff) on a light purple (Tailwind purple-400) background (#c084fc) fails every WCAG 2.2 contrast threshold.

Swap: #c084fc on #ffffff

Large text sample

Normal body text in #ffffff on #c084fc. The quick brown fox jumps over the lazy dog.

WCAG 2.2 results

WCAG 2.2 contrast results for #ffffff on #c084fc
Normal text — WCAG 1.4.3 AA4.5:1Fail
Large text — WCAG 1.4.3 AA3:1Fail
UI components & icons — WCAG 1.4.11 AA3:1Fail
Normal text — WCAG 1.4.6 AAA7:1Fail
Large text — WCAG 1.4.6 AAA4.5:1Fail

Nearest passing colours

How it looks with colour blindness

Simulated with the Machado et al. (2009) model at full severity.

  • Aa

    Protanopia (no red cones)

    2.69:1

  • Aa

    Deuteranopia (no green cones)

    2.60:1

  • Aa

    Tritanopia (no blue cones)

    2.55:1

  • Aa

    Achromatopsia (no colour)

    2.64:1

Try a different pair

Colours

Hex, rgb() or hsl(). Alpha is composited.

Permalink

Preview

Large heading text

Normal body text at 14 px. The quick brown fox jumps over the lazy dog.

Outlined buttonA text link

Colour-blindness preview

Simulated with Machado et al. (2009), full severity.

  • AaProtanopia (no red cones)2.69:1
  • AaDeuteranopia (no green cones)2.60:1
  • AaTritanopia (no blue cones)2.55:1
  • AaAchromatopsia (no colour)2.64:1

Contrast ratio

2.64:1

WCAG 2.2 contrast verdicts
CheckCriterionNeedsResult
Normal text1.4.3 AA4.5:1Fail
Large text1.4.3 AA3:1Fail
UI components & graphics1.4.11 AA3:1Fail
Normal text1.4.6 AAA7:1Fail
Large text1.4.6 AAA4.5:1Fail

Nearest passing colours

Same hue, lightness adjusted in OKLCH.

AA — 4.5:1

Change text

#373737 · 4.50:1

Change background

#965acf · 4.50:1

AAA — 7:1

Change text

#131313 · 7.03:1

Change background

#783aac · 7.00:1

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 #c084fc 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 #c084fc?
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 #c084fc?
#373737 is the closest colour to #ffffff — same hue, adjusted lightness — that reaches 4.5:1 on #c084fc.

Related colour pairs