#64748b
#64748b converts to rgb(100, 116, 139) and hsl(215, 16%, 47%). Its nearest Tailwind CSS token is slate-500 and it appears in 2 curated design styles in the StyleKit library.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 4.76:1 | pass | pass | fail |
| black | 4.41:1 | fail | pass | fail |
| slate-900 | 3.75:1 | fail | pass | fail |
| gray-100 | 4.32:1 | 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.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #64748b.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #64748b as the accent color, following the Corporate Clean style: rgb(100, 116, 139), nearest Tailwind token slate-500. Keep text contrast at least 4.5:1 (this color scores 4.76:1 on white, 4.41:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #64748b with correct contrast constraints. Browse all palette colors.