#e81123
#e81123 is rgb(232, 17, 35), or hsl(355, 86%, 49%). The nearest reference Tailwind v4 token is red-600 (#e7000b), not an exact match.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 4.63:1 | pass | pass | fail |
| black | 4.54:1 | pass | pass | fail |
| slate-900 | 3.86:1 | fail | pass | fail |
| gray-100 | 4.21:1 | fail | pass | fail |
Ratios use WCAG relative luminance for opaque sRGB colors. Normal text requires 4.5:1, or 7:1 at AAA. Large text requires 3:1: at least 24 CSS pixels, or about 18.67 CSS pixels when bold. Pass/fail uses the unrounded ratio. Contrast alone is not a full accessibility assessment.
Colors paired with #e81123 in real UI palettes
These colors appear alongside #e81123 in StyleKit's curated palettes. Co-occurrence is not a promise of text readability; each pair includes its measured contrast.
- #0078d4
Used together in Fluent Design.
1.02:1
Not for normal text - #00cc6a
Used together in Fluent Design.
2.17:1
Not for normal text - #106ebe
Used together in Fluent Design.
1.14:1
Not for normal text - #ffb900
Used together in Fluent Design.
2.69:1
Not for normal text
A readable starting point
white text on #e81123: 4.63:1 contrast.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #e81123.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #e81123 as the accent color, following the Fluent Design style: rgb(232, 17, 35), nearest Tailwind token red-600. Keep text contrast at least 4.5:1 (this color scores 4.63:1 on white, 4.54:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #e81123 with correct contrast constraints. Browse all palette colors.
Questions about #e81123
What color is #e81123?
#e81123 is rgb(232, 17, 35), or hsl(355, 86%, 49%). The nearest reference Tailwind v4 token is red-600 (#e7000b), not an exact match.
What text color should I use on #e81123?
White (#ffffff) has the higher black-or-white contrast against #e81123: 4.63:1. This calculation assumes opaque, flat sRGB colors. Normal text requires 4.5:1 and large text 3:1 under WCAG 2.2 SC 1.4.3; it is not a complete accessibility assessment.
How can I use exactly #e81123 in Tailwind CSS?
Use bg-[#e81123], text-[#e81123], or a CSS custom property instead of substituting a nearby named token. The reference palette is Tailwind CSS 4.1.18, converted from OKLCH to sRGB hex; newer Tailwind versions and custom themes can differ.
Sources and calculation limits
Reference palette: Tailwind CSS 4.1.18, converted from OKLCH to sRGB hex. Named tokens are versioned approximations; use the exact hex utilities when matching an existing design. Palette pairings come from the linked StyleKit definitions, not external popularity or preference data.