#0F5C63
#2A8A8C
#9FD3CF
#F2F1EA
#264653Charcoal
#2A9D8FCadet
#E9F5F2Frost
#59DEF0Sky Blue
Sunny Sky Blue & Cadet is a analogous color palette tagged cold, teal, white. 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 |
|---|---|---|---|---|---|
| Charcoal | #264653 | rgb(38, 70, 83) | hsl(197, 37%, 24%) | oklch(37.5% 0.044 226) | |
| Cadet | #2A9D8F | rgb(42, 157, 143) | hsl(173, 58%, 39%) | oklch(63.0% 0.101 183) | |
| Frost | #E9F5F2 | rgb(233, 245, 242) | hsl(165, 38%, 94%) | oklch(96.0% 0.013 179) | |
| Sky Blue | #59DEF0 | rgb(89, 222, 240) | hsl(187, 83%, 65%) | oklch(83.5% 0.117 208) |
Why it works and how to use it
It works because the lightness range is wide (24% to 94%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.
- Background: Frost (#E9F5F2) is the lightest color, so it belongs on large surfaces.
- Text: Charcoal (#264653) on #E9F5F2 gives 9.03:1, passing WCAG AAA.
- Primary: Sky Blue (#59DEF0) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Cadet (#2A9D8F) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Charcoal on Frost at 9.03:1.
Preview on a real UI see how the palette feels in context
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Design faster with Sunny Sky Blue & Cadet
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
#264653
#2A9D8F
#E9F5F2
#59DEF0
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#264653 on #E9F5F2 | Aa | 9.03:1 | AAA |
#264653 on #59DEF0 | Aa | 6.3:1 | AA |
#264653 on #2A9D8F | Aa | 3.03:1 | AA large only |
#2A9D8F on #E9F5F2 | Aa | 2.98:1 | Fail |
#2A9D8F on #59DEF0 | Aa | 2.08:1 | Fail |
#E9F5F2 on #59DEF0 | Aa | 1.43:1 | Fail |
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