#000000
#3A3A3A
#D4AF37
#F2F2F2
#0B2A6BMarine
#2E55C7Sapphire
#D4AF37Mustard
#F6F3EALinen
Gold & Cobalt is a complementary color palette tagged gold, luxury, blue. Marine and Linen 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 |
|---|---|---|---|---|---|
| Marine | #0B2A6B | rgb(11, 42, 107) | hsl(221, 81%, 23%) | oklch(30.9% 0.119 263) | |
| Sapphire | #2E55C7 | rgb(46, 85, 199) | hsl(225, 62%, 48%) | oklch(49.2% 0.183 266) | |
| Mustard | #D4AF37 | rgb(212, 175, 55) | hsl(46, 65%, 52%) | oklch(76.7% 0.139 91) | |
| Linen | #F6F3EA | rgb(246, 243, 234) | hsl(45, 40%, 94%) | oklch(96.4% 0.012 92) |
Why it works and how to use it
With 4 chromatic colors, Mustard takes the lead while the rest support. Lightness runs from 23% to 94%. Well suited to premium branding and packaging.
- Background: Linen (#F6F3EA) is the lightest color, so it belongs on large surfaces.
- Text: Marine (#0B2A6B) on #F6F3EA gives 12.15:1, passing WCAG AAA.
- Primary: Mustard (#D4AF37) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Sapphire (#2E55C7) for highlights, badges and hover states.
3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Marine on Linen at 12.15:1.
Preview on a real UI see how the palette feels in context
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Design faster with Gold & Cobalt
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
#0B2A6B
#2E55C7
#D4AF37
#F6F3EA
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#0B2A6B on #F6F3EA | Aa | 12.15:1 | AAA |
#0B2A6B on #D4AF37 | Aa | 6.41:1 | AA |
#2E55C7 on #F6F3EA | Aa | 5.84:1 | AA |
#2E55C7 on #D4AF37 | Aa | 3.08:1 | AA large only |
#0B2A6B on #2E55C7 | Aa | 2.08:1 | Fail |
#D4AF37 on #F6F3EA | Aa | 1.9:1 | Fail |
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