#243b72
#243b72 converts to rgb(36, 59, 114) and hsl(222, 52%, 29%). Its nearest Tailwind CSS token is sky-900.
01
Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 10.80:1 | pass | pass | pass |
| black | 1.94:1 | fail | fail | fail |
| slate-900 | 1.65:1 | fail | fail | fail |
| gray-100 | 9.82:1 | 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 #243b72.
04
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
05
AI prompt snippet
Use #243b72 (rgb(36, 59, 114), nearest Tailwind token sky-900) as an accent. Keep text contrast at least 4.5:1 — this color scores 10.8:1 on white and 1.94:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #243b72 with correct contrast constraints. Browse all palette colors.