#5151ba
#5151ba converts to rgb(81, 81, 186) and hsl(240, 43%, 52%). Its nearest Tailwind CSS token is indigo-700.
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Conversions
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WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 6.49:1 | pass | pass | fail |
| black | 3.24:1 | fail | pass | fail |
| slate-900 | 2.75:1 | fail | fail | fail |
| gray-100 | 5.90:1 | pass | 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 #5151ba.
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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 #5151ba (rgb(81, 81, 186), nearest Tailwind token indigo-700) as an accent. Keep text contrast at least 4.5:1 — this color scores 6.49:1 on white and 3.24:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #5151ba with correct contrast constraints. Browse all palette colors.