Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Gunmetal | #2B2B2B | rgb(43, 43, 43) | hsl(0, 0%, 17%) | oklch(28.9% 0.000 0) | |
| Copper | #A97B00 | rgb(169, 123, 0) | hsl(44, 100%, 33%) | oklch(61.2% 0.126 82) | |
| Smoke | #F1FAEE | rgb(241, 250, 238) | hsl(105, 55%, 96%) | oklch(97.5% 0.018 138) | |
| Steel Blue | #457B9D | rgb(69, 123, 157) | hsl(203, 39%, 44%) | oklch(56.0% 0.078 238) |
Why it works and how to use it
Copper & Steel Blue Tale is a complementary color palette tagged modern, gray, brown. Near-complementary hues (about 159° 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.
The palette holds together thanks to its complementary hue relationship and a strong light-to-dark ladder (96% down to 17% lightness). A natural fit for websites, presentations and branding.
- Background: Smoke (#F1FAEE) is the lightest color, so it belongs on large surfaces.
- Text: Gunmetal (#2B2B2B) on #F1FAEE gives 13.25:1, passing WCAG AAA.
- Primary: Copper (#A97B00) is the most saturated mid-tone; use it for buttons and links (3.56:1 against the background, fine for UI elements).
- Accent: Steel Blue (#457B9D) for highlights, badges and hover states.
1 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Gunmetal on Smoke at 13.25:1.
Preview on a real UI see how the palette feels in context
Design faster with Copper & Steel Blue Tale
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: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Palette card

Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#2B2B2B on #F1FAEE | Aa | 13.25:1 | AAA |
#F1FAEE on #457B9D | Aa | 4.3:1 | AA large only |
#2B2B2B on #A97B00 | Aa | 3.72:1 | AA large only |
#A97B00 on #F1FAEE | Aa | 3.56:1 | AA large only |
#2B2B2B on #457B9D | Aa | 3.08:1 | AA large only |
#A97B00 on #457B9D | Aa | 1.21:1 | Fail |