#111111
#424242
#FF3B3B
#FAFAFA
#2B2D42Gunmetal
#8D99AEPewter
#EDF2F4Frost
#EF233CVermilion
Iron & Rust is a complementary color palette tagged modern, tech, neon. Near-complementary hues (about 156° 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
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Gunmetal | #2B2D42 | rgb(43, 45, 66) | hsl(235, 21%, 21%) | oklch(30.5% 0.038 280) | |
| Pewter | #8D99AE | rgb(141, 153, 174) | hsl(218, 17%, 62%) | oklch(68.0% 0.034 262) | |
| Frost | #EDF2F4 | rgb(237, 242, 244) | hsl(197, 24%, 94%) | oklch(95.8% 0.006 223) | |
| Vermilion | #EF233C | rgb(239, 35, 60) | hsl(353, 86%, 54%) | oklch(61.2% 0.231 23) |
Why it works and how to use it
With 3 chromatic colors, Vermilion takes the lead while the rest support. Lightness runs from 21% to 94%. Well suited to a SaaS landing page or dashboard.
- Background: Frost (#EDF2F4) is the lightest color, so it belongs on large surfaces.
- Text: Gunmetal (#2B2D42) on #EDF2F4 gives 11.95:1, passing WCAG AAA.
- Primary: Vermilion (#EF233C) is the most saturated mid-tone; use it for buttons and links (3.74:1 against the background, fine for UI elements).
- Accent: Pewter (#8D99AE) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Gunmetal on Frost at 11.95:1.
Preview on a real UI see how the palette feels in context
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Design faster with Iron & Rust
A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.
Primary action SecondaryCard title
Card title
Card title
Roles are assigned by lightness.
Color blindness simulation
#2B2D42
#8D99AE
#EDF2F4
#EF233C
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#2B2D42 on #EDF2F4 | Aa | 11.95:1 | AAA |
#2B2D42 on #8D99AE | Aa | 4.69:1 | AA |
#EDF2F4 on #EF233C | Aa | 3.74:1 | AA large only |
#2B2D42 on #EF233C | Aa | 3.2:1 | AA large only |
#8D99AE on #EDF2F4 | Aa | 2.55:1 | Fail |
#8D99AE on #EF233C | Aa | 1.47:1 | Fail |
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