#1e40af
#1e40af converts to rgb(30, 64, 175) and hsl(226, 71%, 40%). Its nearest Tailwind CSS token is blue-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 | 8.72:1 | pass | pass | pass |
| black | 2.41:1 | fail | fail | fail |
| slate-900 | 2.05:1 | fail | fail | fail |
| gray-100 | 7.93:1 | 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 #1e40af.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #1e40af as the primary color, following the Corporate Clean style: rgb(30, 64, 175), nearest Tailwind token blue-800. Keep text contrast at least 4.5:1 (this color scores 8.72:1 on white, 2.41:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #1e40af with correct contrast constraints. Browse all palette colors.