#222831
#575D65
#00ADB5
#EEEEEE
#495057Graphite
#868E96Stone
#CED4DAFog
#F1F3F5Smoke
Cool Concrete color palette
Cool Concrete is a muted neutral-based color palette tagged modern, monochrome, minimal. Built almost entirely from neutrals, with Smoke (#F1F3F5) as the single point of color. Saturation stays low across the board, giving it a calm, editorial feel.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Graphite | #495057 | rgb(73, 80, 87) | hsl(210, 9%, 31%) | oklch(42.8% 0.015 248) | |
| Stone | #868E96 | rgb(134, 142, 150) | hsl(210, 7%, 56%) | oklch(64.3% 0.015 248) | |
| Fog | #CED4DA | rgb(206, 212, 218) | hsl(210, 14%, 83%) | oklch(86.7% 0.011 248) | |
| Smoke | #F1F3F5 | rgb(241, 243, 245) | hsl(210, 17%, 95%) | oklch(96.3% 0.003 248) |
Why it works and how to use it
It works because the lightness range is wide (31% to 95%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.
- Background: Smoke (#F1F3F5) is the lightest color, so it belongs on large surfaces.
- Text: Graphite (#495057) on #F1F3F5 gives 7.35:1, passing WCAG AAA.
- Primary: Fog (#CED4DA) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Stone (#868E96) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Graphite on Smoke at 7.35:1.
Preview on a real UI see how the palette feels in context
BrandFeaturesPricingBlogGet started
Design faster with Cool Concrete
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
#495057
#868E96
#CED4DA
#F1F3F5
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#495057 on #F1F3F5 | Aa | 7.35:1 | AAA |
#495057 on #CED4DA | Aa | 5.47:1 | AA |
#868E96 on #F1F3F5 | Aa | 2.99:1 | Fail |
#495057 on #868E96 | Aa | 2.46:1 | Fail |
#868E96 on #CED4DA | Aa | 2.22:1 | Fail |
#CED4DA on #F1F3F5 | Aa | 1.34:1 | Fail |
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