#090c0f
#090c0f converts to rgb(9, 12, 15) and hsl(210, 25%, 5%). Its nearest Tailwind CSS token is neutral-950.
01
Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 19.61:1 | pass | pass | pass |
| black | 1.07:1 | fail | fail | fail |
| slate-900 | 1.10:1 | fail | fail | fail |
| gray-100 | 17.82:1 | 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 #090c0f.
04
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
05
AI prompt snippet
Use #090c0f (rgb(9, 12, 15), nearest Tailwind token neutral-950) as an accent. Keep text contrast at least 4.5:1 — this color scores 19.61:1 on white and 1.07:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #090c0f with correct contrast constraints. Browse all palette colors.