#0a2540
#0a2540 converts to rgb(10, 37, 64) and hsl(210, 73%, 15%). Its nearest Tailwind CSS token is slate-800 and it appears in one curated design style in the StyleKit library.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 15.54:1 | pass | pass | pass |
| black | 1.35:1 | fail | fail | fail |
| slate-900 | 1.15:1 | fail | fail | fail |
| gray-100 | 14.12:1 | 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.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #0a2540.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #0a2540 as the secondary color, following the Stripe Style style: rgb(10, 37, 64), nearest Tailwind token slate-800. Keep text contrast at least 4.5:1 (this color scores 15.54:1 on white, 1.35:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #0a2540 with correct contrast constraints. Browse all palette colors.