#f02731
#f02731 converts to rgb(240, 39, 49) and hsl(357, 87%, 55%). Its nearest Tailwind CSS token is red-500.
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Conversions
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WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 4.17:1 | fail | pass | fail |
| black | 5.04:1 | pass | pass | fail |
| slate-900 | 4.28:1 | fail | pass | fail |
| gray-100 | 3.79:1 | fail | pass | fail |
Ratios are computed from WCAG 2.x relative luminance. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
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Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #f02731.
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Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
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AI prompt snippet
Use #f02731 (rgb(240, 39, 49), nearest Tailwind token red-500) as an accent. Keep text contrast at least 4.5:1 — this color scores 4.17:1 on white and 5.04:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #f02731 with correct contrast constraints. Browse all palette colors.