#1139dd
#1139dd converts to rgb(17, 57, 221) and hsl(228, 86%, 47%). Its nearest Tailwind CSS token is blue-700.
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Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 7.92:1 | pass | pass | pass |
| black | 2.65:1 | fail | fail | fail |
| slate-900 | 2.26:1 | fail | fail | fail |
| gray-100 | 7.19:1 | 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.
03
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #1139dd.
04
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
05
AI prompt snippet
Use #1139dd (rgb(17, 57, 221), nearest Tailwind token blue-700) as an accent. Keep text contrast at least 4.5:1 — this color scores 7.92:1 on white and 2.65:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #1139dd with correct contrast constraints. Browse all palette colors.