#579cd1
#579cd1 converts to rgb(87, 156, 209) and hsl(206, 57%, 58%). Its nearest Tailwind CSS token is sky-500.
01
Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 2.97:1 | fail | fail | fail |
| black | 7.08:1 | pass | pass | pass |
| slate-900 | 6.02:1 | pass | pass | fail |
| gray-100 | 2.69:1 | fail | fail | 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 #579cd1.
04
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
05
AI prompt snippet
Use #579cd1 (rgb(87, 156, 209), nearest Tailwind token sky-500) as an accent. Keep text contrast at least 4.5:1 — this color scores 2.97:1 on white and 7.08:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #579cd1 with correct contrast constraints. Browse all palette colors.