#000f4e
#000f4e converts to rgb(0, 15, 78) and hsl(228, 100%, 15%). Its nearest Tailwind CSS token is indigo-950.
01
Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 17.82:1 | pass | pass | pass |
| black | 1.18:1 | fail | fail | fail |
| slate-900 | 1.00:1 | fail | fail | fail |
| gray-100 | 16.19:1 | 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 #000f4e.
04
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
05
AI prompt snippet
Use #000f4e (rgb(0, 15, 78), nearest Tailwind token indigo-950) as an accent. Keep text contrast at least 4.5:1 — this color scores 17.82:1 on white and 1.18:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #000f4e with correct contrast constraints. Browse all palette colors.