What are the hex codes in the Gold & Cobalt palette?

The Gold & Cobalt color palette consists of Marine #0B2A6B, Sapphire #2E55C7, Mustard #D4AF37, Linen #F6F3EA.

How should I use the Gold & Cobalt palette on a website?

Use Linen #F6F3EA as the background, Marine #0B2A6B for text, Mustard #D4AF37 for buttons and links, and Sapphire #2E55C7 for accents. 3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Marine on Linen at 12.15:1.

Which colors in Gold & Cobalt have enough contrast for text?

The highest-contrast pair is #0B2A6B on #F6F3EA with a ratio of 12.15:1, which passes WCAG AA for normal text.

#0B2A6BMarine

#2E55C7Sapphire

#D4AF37Mustard

#F6F3EALinen

Gold & Cobalt color palette

Gold Luxury Blue Yellow White

Color codes click any value to copy

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

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.

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 Secondary

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.

Palette card

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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