#4e91ab
#4e91ab converts to rgb(78, 145, 171) and hsl(197, 37%, 49%). Its nearest Tailwind CSS token is cyan-600.
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Conversions
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WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 3.52:1 | fail | pass | fail |
| black | 5.96:1 | pass | pass | fail |
| slate-900 | 5.07:1 | pass | pass | fail |
| gray-100 | 3.20:1 | 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 #4e91ab.
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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 #4e91ab (rgb(78, 145, 171), nearest Tailwind token cyan-600) as an accent. Keep text contrast at least 4.5:1 — this color scores 3.52:1 on white and 5.96:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #4e91ab with correct contrast constraints. Browse all palette colors.