#003bf3
#003bf3 converts to rgb(0, 59, 243) and hsl(225, 100%, 48%). Its nearest Tailwind CSS token is blue-700.
01
Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 7.19:1 | pass | pass | pass |
| black | 2.92:1 | fail | fail | fail |
| slate-900 | 2.48:1 | fail | fail | fail |
| gray-100 | 6.54:1 | 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 #003bf3.
04
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
05
AI prompt snippet
Use #003bf3 (rgb(0, 59, 243), nearest Tailwind token blue-700) as an accent. Keep text contrast at least 4.5:1 — this color scores 7.19:1 on white and 2.92:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #003bf3 with correct contrast constraints. Browse all palette colors.