#ff2a2a
#ff2a2a converts to rgb(255, 42, 42) and hsl(0, 100%, 58%). Its nearest Tailwind CSS token is red-500 and it appears in one curated design style in the StyleKit library.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 3.74:1 | fail | pass | fail |
| black | 5.62:1 | pass | pass | fail |
| slate-900 | 4.77:1 | pass | pass | fail |
| gray-100 | 3.40:1 | fail | 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.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #ff2a2a.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #ff2a2a as the accent color, following the Arcade CRT style: rgb(255, 42, 42), nearest Tailwind token red-500. Keep text contrast at least 4.5:1 (this color scores 3.74:1 on white, 5.62:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #ff2a2a with correct contrast constraints. Browse all palette colors.