#212142
#212142 converts to rgb(33, 33, 66) and hsl(240, 33%, 19%). Its nearest Tailwind CSS token is slate-800.
01
Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 15.43:1 | pass | pass | pass |
| black | 1.36:1 | fail | fail | fail |
| slate-900 | 1.16:1 | fail | fail | fail |
| gray-100 | 14.02:1 | 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 #212142.
04
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
05
AI prompt snippet
Use #212142 (rgb(33, 33, 66), nearest Tailwind token slate-800) as an accent. Keep text contrast at least 4.5:1 — this color scores 15.43:1 on white and 1.36:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #212142 with correct contrast constraints. Browse all palette colors.