#10499b
#10499b converts to rgb(16, 73, 155) and hsl(215, 81%, 34%). Its nearest Tailwind CSS token is blue-900.
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Conversions
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WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 8.58:1 | pass | pass | pass |
| black | 2.45:1 | fail | fail | fail |
| slate-900 | 2.08:1 | fail | fail | fail |
| gray-100 | 7.79:1 | pass | pass | pass |
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 #10499b.
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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 #10499b (rgb(16, 73, 155), nearest Tailwind token blue-900) as an accent. Keep text contrast at least 4.5:1 — this color scores 8.58:1 on white and 2.45:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #10499b with correct contrast constraints. Browse all palette colors.