#EDEEF0
#C9CCD1
#1D4ED8
#0B1220
#03256CMarine
#746600Fern
#4FA3E0Blue Gray
#D4E9F7Ice
True Marine & Blue Gray is a vivid complementary color palette tagged modern, blue. Marine and Ice sit nearly opposite on the color wheel, so the pairing has real energy; keep one as the accent. These are bold, punchy colors that need generous white space around them. Warm and cool hues are mixed, which adds depth.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Marine | #03256C | rgb(3, 37, 108) | hsl(221, 95%, 22%) | oklch(29.7% 0.129 262) | |
| Fern | #746600 | rgb(116, 102, 0) | hsl(53, 100%, 23%) | oklch(50.8% 0.106 100) | |
| Blue Gray | #4FA3E0 | rgb(79, 163, 224) | hsl(205, 70%, 59%) | oklch(68.9% 0.121 243) | |
| Ice | #D4E9F7 | rgb(212, 233, 247) | hsl(204, 69%, 90%) | oklch(92.3% 0.029 237) |
Why it works and how to use it
It works because the lightness range is wide (22% to 90%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.
- Background: Ice (#D4E9F7) is the lightest color, so it belongs on large surfaces.
- Text: Marine (#03256C) on #D4E9F7 gives 11.31:1, passing WCAG AAA.
- Primary: Fern (#746600) is the most saturated mid-tone; use it for buttons and links (4.61:1 against the background, fine for UI elements).
- Accent: Blue Gray (#4FA3E0) for highlights, badges and hover states.
3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Marine on Ice at 11.31:1.
Preview on a real UI see how the palette feels in context
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Design faster with True Marine & Blue Gray
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
#03256C
#746600
#4FA3E0
#D4E9F7
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#03256C on #D4E9F7 | Aa | 11.31:1 | AAA |
#03256C on #4FA3E0 | Aa | 5.15:1 | AA |
#746600 on #D4E9F7 | Aa | 4.61:1 | AA |
#03256C on #746600 | Aa | 2.45:1 | Fail |
#4FA3E0 on #D4E9F7 | Aa | 2.2:1 | Fail |
#746600 on #4FA3E0 | Aa | 2.1:1 | Fail |
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