#659bdb
#659bdb converts to rgb(101, 155, 219) and hsl(213, 62%, 63%). Its nearest Tailwind CSS token is blue-400.
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Conversions
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WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 2.89:1 | fail | fail | fail |
| black | 7.26:1 | pass | pass | pass |
| slate-900 | 6.18:1 | pass | pass | fail |
| gray-100 | 2.63:1 | fail | fail | 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 #659bdb.
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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 #659bdb (rgb(101, 155, 219), nearest Tailwind token blue-400) as an accent. Keep text contrast at least 4.5:1 — this color scores 2.89:1 on white and 7.26:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #659bdb with correct contrast constraints. Browse all palette colors.