ColorWell · contrast check
White or black text on #dc2626?
Tailwind red-600
Use white text. It gives 4.83:1, which passes AA, not AAA.
White text
4.83:1
passes AA, not AAA
Black text
4.35:1
passes AA for large text only (18pt+/14pt bold)
What the thresholds mean
| Level | Needs | White text | Black text |
|---|---|---|---|
| AA, normal text | 4.5:1 | pass | fail |
| AA, large text (18pt+/14pt bold) | 3:1 | pass | pass |
| AAA, normal text | 7:1 | fail | fail |
If you need the other one to pass
Same hue, moved along the lightness ramp until the ratio clears AA.
- For black text, use
#ffd3c6— 15.39:1
The colour itself
- Hex:
#dc2626 - RGB:
220, 38, 38 - Oklch:
57.71% 0.215 27
Shade ramp
#ffd3c6 #ffb7a9 #ff9385 #ff675b #e92627 #ba0c15 #8e0002 #640000 #3c0000
Paste this into your config
// tailwind.config.js
colors: {
brand: {
100: "#ffd3c6",
200: "#ffb7a9",
300: "#ff9385",
400: "#ff675b",
500: "#e92627",
600: "#ba0c15",
700: "#8e0002",
800: "#640000",
900: "#3c0000",
},
}Text colour to pair with the 500 shade (#e92627): black, at 4.77:1. For #dc2626 itself it is white, at 4.83:1.
Your own colours, the same way
Paste any hex and get this page for it live — ratio, verdict, ramp. Export the whole palette to CSS variables, a Tailwind config or Figma tokens when you want it in the project rather than on the screen.
Open ColorWellOther colours
- text on #ef4444 Tailwind red-500
- text on #f97316 Tailwind orange-500
- text on #f59e0b Tailwind amber-500
- text on #eab308 Tailwind yellow-500
- text on #84cc16 Tailwind lime-500
- text on #22c55e Tailwind green-500
- text on #10b981 Tailwind emerald-500
- text on #14b8a6 Tailwind teal-500
- text on #06b6d4 Tailwind cyan-500
- text on #0ea5e9 Tailwind sky-500
- text on #3b82f6 Tailwind blue-500
- text on #6366f1 Tailwind indigo-500