#0B2447
#3B5C9E
#6E86D6
#A5D7E8
#00102EInk
#21407FCobalt
#576DBBOcean
#86B7C8Dusty Blue
Bold Ocean & Cobalt is a dark, analogous color palette tagged dark, cold, blue. The hues stay within 32° of each other on the color wheel, which is why the palette feels cohesive rather than busy. Neither washed out nor loud, it adapts to most contexts. The overall temperature is cool.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Ink | #00102E | rgb(0, 16, 46) | hsl(219, 100%, 9%) | oklch(18.1% 0.066 258) | |
| Cobalt | #21407F | rgb(33, 64, 127) | hsl(220, 59%, 31%) | oklch(38.5% 0.113 263) | |
| Ocean | #576DBB | rgb(87, 109, 187) | hsl(227, 42%, 54%) | oklch(55.4% 0.124 270) | |
| Dusty Blue | #86B7C8 | rgb(134, 183, 200) | hsl(195, 37%, 65%) | oklch(75.1% 0.057 221) |
Why it works and how to use it
It works because the lightness range is wide (9% to 65%), which gives clear hierarchy between background, content and accents. Try it for dark-mode interfaces and gaming.
- Background: Dusty Blue (#86B7C8) is the lightest color, so it belongs on large surfaces.
- Text: Ink (#00102E) on #86B7C8 gives 8.64:1, passing WCAG AAA.
- Primary: Cobalt (#21407F) is the most saturated mid-tone; use it for buttons and links (4.57:1 against the background, fine for UI elements).
- Accent: Ocean (#576DBB) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Ink on Dusty Blue at 8.64:1.
Preview on a real UI see how the palette feels in context
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Design faster with Bold Ocean & 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
#00102E
#21407F
#576DBB
#86B7C8
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#00102E on #86B7C8 | Aa | 8.64:1 | AAA |
#21407F on #86B7C8 | Aa | 4.57:1 | AA |
#00102E on #576DBB | Aa | 3.87:1 | AA large only |
#576DBB on #86B7C8 | Aa | 2.23:1 | Fail |
#21407F on #576DBB | Aa | 2.05:1 | Fail |
#00102E on #21407F | Aa | 1.89:1 | Fail |
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