#2179cf
#2179cf converts to rgb(33, 121, 207) and hsl(210, 73%, 47%). Its nearest Tailwind CSS token is sky-600.
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Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 4.47:1 | fail | pass | fail |
| black | 4.70:1 | pass | pass | fail |
| slate-900 | 4.00:1 | fail | pass | fail |
| gray-100 | 4.06:1 | 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.
03
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #2179cf.
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Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
05
AI prompt snippet
Use #2179cf (rgb(33, 121, 207), nearest Tailwind token sky-600) as an accent. Keep text contrast at least 4.5:1 — this color scores 4.47:1 on white and 4.7:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #2179cf with correct contrast constraints. Browse all palette colors.