#d90c28
#d90c28 converts to rgb(217, 12, 40) and hsl(352, 90%, 45%). Its nearest Tailwind CSS token is red-600.
01
Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 5.21:1 | pass | pass | fail |
| black | 4.03:1 | fail | pass | fail |
| slate-900 | 3.43:1 | fail | pass | fail |
| gray-100 | 4.73:1 | pass | 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.
03
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #d90c28.
04
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
05
AI prompt snippet
Use #d90c28 (rgb(217, 12, 40), nearest Tailwind token red-600) as an accent. Keep text contrast at least 4.5:1 — this color scores 5.21:1 on white and 4.03:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #d90c28 with correct contrast constraints. Browse all palette colors.