#27374D
#526D82
#9DB2BF
#DDE6ED
#3A4151Charcoal
#737E9ESlate
#9EB2CFHeather
#B9FFF2Ice
Deep Ice & Slate is a analogous color palette tagged tech, muted, cold. The hues stay within 56° 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 | #3A4151 | rgb(58, 65, 81) | hsl(222, 17%, 27%) | oklch(37.5% 0.029 266) | |
| Slate | #737E9E | rgb(115, 126, 158) | hsl(225, 18%, 54%) | oklch(59.6% 0.051 270) | |
| Heather | #9EB2CF | rgb(158, 178, 207) | hsl(216, 34%, 72%) | oklch(75.8% 0.047 258) | |
| Ice | #B9FFF2 | rgb(185, 255, 242) | hsl(169, 100%, 86%) | oklch(95.0% 0.072 182) |
Why it works and how to use it
It works because the lightness range is wide (27% to 86%), which gives clear hierarchy between background, content and accents. Try it for a SaaS landing page or dashboard.
- Background: Ice (#B9FFF2) is the lightest color, so it belongs on large surfaces.
- Text: Charcoal (#3A4151) on #B9FFF2 gives 9.08:1, passing WCAG AAA.
- Primary: Heather (#9EB2CF) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Slate (#737E9E) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Charcoal on Ice at 9.08:1.
Preview on a real UI see how the palette feels in context
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Design faster with Deep Ice & Slate
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
#3A4151
#737E9E
#9EB2CF
#B9FFF2
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#3A4151 on #B9FFF2 | Aa | 9.08:1 | AAA |
#3A4151 on #9EB2CF | Aa | 4.73:1 | AA |
#737E9E on #B9FFF2 | Aa | 3.58:1 | AA large only |
#3A4151 on #737E9E | Aa | 2.53:1 | Fail |
#9EB2CF on #B9FFF2 | Aa | 1.92:1 | Fail |
#737E9E on #9EB2CF | Aa | 1.87:1 | Fail |
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