#313158
#313158 converts to rgb(49, 49, 88) and hsl(240, 28%, 27%). Its nearest Tailwind CSS token is slate-700.
01
Conversions
02
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 12.27:1 | pass | pass | pass |
| black | 1.71:1 | fail | fail | fail |
| slate-900 | 1.45:1 | fail | fail | fail |
| gray-100 | 11.15:1 | 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 #313158.
04
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
05
AI prompt snippet
Use #313158 (rgb(49, 49, 88), nearest Tailwind token slate-700) as an accent. Keep text contrast at least 4.5:1 — this color scores 12.27:1 on white and 1.71:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #313158 with correct contrast constraints. Browse all palette colors.