#3374ef
#3374ef converts to rgb(51, 116, 239) and hsl(219, 85%, 57%). Its nearest Tailwind CSS token is blue-500.
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Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 4.30:1 | fail | pass | fail |
| black | 4.89:1 | pass | pass | fail |
| slate-900 | 4.15:1 | fail | pass | fail |
| gray-100 | 3.91:1 | 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 #3374ef.
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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 #3374ef (rgb(51, 116, 239), nearest Tailwind token blue-500) as an accent. Keep text contrast at least 4.5:1 — this color scores 4.3:1 on white and 4.89:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #3374ef with correct contrast constraints. Browse all palette colors.