#F1EFE7
#D9D4C7
#8C8A82
#2F2F2F
#F7F8FASmoke
#E4E7ECIce
#1F2937Raisin
#4F7CACSteel Blue
Cool Stone is a monochromatic color palette tagged minimal, white, gray. A monochromatic set: the same hue family from Raisin down to Smoke. Saturation is moderate, which keeps it flexible for both interfaces and print. The overall temperature is cool.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Smoke | #F7F8FA | rgb(247, 248, 250) | hsl(220, 23%, 97%) | oklch(97.9% 0.003 265) | |
| Ice | #E4E7EC | rgb(228, 231, 236) | hsl(218, 17%, 91%) | oklch(92.7% 0.007 261) | |
| Raisin | #1F2937 | rgb(31, 41, 55) | hsl(215, 28%, 17%) | oklch(27.8% 0.030 257) | |
| Steel Blue | #4F7CAC | rgb(79, 124, 172) | hsl(211, 37%, 49%) | oklch(57.4% 0.090 251) |
Why it works and how to use it
Two of the four colors are near-neutral, which leaves room for Steel Blue to lead. Lightness runs from 17% to 97%. Well suited to websites, presentations and branding.
- Background: Smoke (#F7F8FA) is the lightest color, so it belongs on large surfaces.
- Text: Raisin (#1F2937) on #F7F8FA gives 13.81:1, passing WCAG AAA.
- Primary: Steel Blue (#4F7CAC) is the most saturated mid-tone; use it for buttons and links (4.11:1 against the background, fine for UI elements).
- Accent: Ice (#E4E7EC) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Smoke on Raisin at 13.81:1.
Preview on a real UI see how the palette feels in context
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Design faster with Cool Stone
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
#F7F8FA
#E4E7EC
#1F2937
#4F7CAC
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#F7F8FA on #1F2937 | Aa | 13.81:1 | AAA |
#E4E7EC on #1F2937 | Aa | 11.84:1 | AAA |
#F7F8FA on #4F7CAC | Aa | 4.11:1 | AA large only |
#E4E7EC on #4F7CAC | Aa | 3.52:1 | AA large only |
#1F2937 on #4F7CAC | Aa | 3.36:1 | AA large only |
#F7F8FA on #E4E7EC | Aa | 1.17:1 | Fail |
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