#2f4489
#2f4489 converts to rgb(47, 68, 137) and hsl(226, 49%, 36%). Its nearest Tailwind CSS token is blue-900.
01
Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 9.10:1 | pass | pass | pass |
| black | 2.31:1 | fail | fail | fail |
| slate-900 | 1.96:1 | fail | fail | fail |
| gray-100 | 8.26:1 | 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 #2f4489.
04
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
05
AI prompt snippet
Use #2f4489 (rgb(47, 68, 137), nearest Tailwind token blue-900) as an accent. Keep text contrast at least 4.5:1 — this color scores 9.1:1 on white and 2.31:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #2f4489 with correct contrast constraints. Browse all palette colors.