#0063cf
#0063cf converts to rgb(0, 99, 207) and hsl(211, 100%, 41%). Its nearest Tailwind CSS token is sky-700.
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Conversions
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WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 5.70:1 | pass | pass | fail |
| black | 3.69:1 | fail | pass | fail |
| slate-900 | 3.13:1 | fail | pass | fail |
| gray-100 | 5.18:1 | 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 #0063cf.
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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 #0063cf (rgb(0, 99, 207), nearest Tailwind token sky-700) as an accent. Keep text contrast at least 4.5:1 — this color scores 5.7:1 on white and 3.69:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #0063cf with correct contrast constraints. Browse all palette colors.