Concrete Rose & Storm is a complementary color palette tagged modern, dark, neon. Near-complementary hues (about 131° apart) make this a high-contrast, attention-grabbing combination. Saturation is moderate, which keeps it flexible for both interfaces and print. Warm and cool hues are mixed, which adds depth.
Color codes click any value to copy
Why it works and how to use it
It works because the lightness range is wide (16% to 95%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.
- Background: Frost (#ECF1F7) is the lightest color, so it belongs on large surfaces.
- Text: Raisin (#222A32) on #ECF1F7 gives 12.79:1, passing WCAG AAA.
- Primary: Rose (#FF2A6C) is the most saturated mid-tone; use it for buttons and links (3.19:1 against the background, fine for UI elements).
- Accent: Storm (#4E6074) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Frost on Raisin at 12.79:1.
Preview on a real UI see how the palette feels in context
Design faster with Concrete Rose & Storm
A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.
Primary action SecondaryColor blindness simulation
Color-blind check: under protanopia, Rose and Storm become hard to tell apart, so do not rely on that pair alone to carry meaning.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#ECF1F7 on #222A32 | Aa | 12.79:1 | AAA |
#ECF1F7 on #4E6074 | Aa | 5.69:1 | AA |
#FF2A6C on #222A32 | Aa | 4.01:1 | AA large only |
#ECF1F7 on #FF2A6C | Aa | 3.19:1 | AA large only |
#4E6074 on #222A32 | Aa | 2.25:1 | Fail |
#FF2A6C on #4E6074 | Aa | 1.78:1 | Fail |