#000000
#3A3A3A
#D4AF37
#F2F2F2
#0B0A12Obsidian
#393751Iron
#A2AB00Brass
#ECE9FELavender
Calm Brass & Iron is a complementary color palette tagged dark, minimal, black. Iron and Brass sit nearly opposite on the color wheel, so the pairing has real energy; keep one as the accent. Neither washed out nor loud, it adapts to most contexts. Warm and cool hues are mixed, which adds depth.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Obsidian | #0B0A12 | rgb(11, 10, 18) | hsl(248, 29%, 5%) | oklch(15.0% 0.017 290) | |
| Iron | #393751 | rgb(57, 55, 81) | hsl(245, 19%, 27%) | oklch(35.0% 0.045 287) | |
| Brass | #A2AB00 | rgb(162, 171, 0) | hsl(63, 100%, 34%) | oklch(71.0% 0.159 114) | |
| Lavender | #ECE9FE | rgb(236, 233, 254) | hsl(249, 91%, 95%) | oklch(94.3% 0.028 292) |
Why it works and how to use it
Two of the four colors are near-neutral, which leaves room for Brass to lead. Lightness runs from 5% to 95%. Well suited to websites, presentations and branding.
- Background: Lavender (#ECE9FE) is the lightest color, so it belongs on large surfaces.
- Text: Obsidian (#0B0A12) on #ECE9FE gives 16.55:1, passing WCAG AAA.
- Primary: Brass (#A2AB00) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Iron (#393751) for highlights, badges and hover states.
4 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Obsidian on Lavender at 16.55:1.
Preview on a real UI see how the palette feels in context
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Design faster with Calm Brass & Iron
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
#0B0A12
#393751
#A2AB00
#ECE9FE
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#0B0A12 on #ECE9FE | Aa | 16.55:1 | AAA |
#393751 on #ECE9FE | Aa | 9.6:1 | AAA |
#0B0A12 on #A2AB00 | Aa | 7.84:1 | AAA |
#393751 on #A2AB00 | Aa | 4.55:1 | AA |
#A2AB00 on #ECE9FE | Aa | 2.11:1 | Fail |
#0B0A12 on #393751 | Aa | 1.72:1 | Fail |
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