#EDEEF0
#C9CCD1
#1D4ED8
#0B1220
#F1F4FASmoke
#B6C6E6Lavender Gray
#6886CBBlue Gray
#222B3CGunmetal
True Blue Gray & Gunmetal is a monochromatic color palette tagged modern, minimal, white. A monochromatic set: the same hue family from Gunmetal 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 | #F1F4FA | rgb(241, 244, 250) | hsl(220, 47%, 96%) | oklch(96.7% 0.009 265) | |
| Lavender Gray | #B6C6E6 | rgb(182, 198, 230) | hsl(220, 49%, 81%) | oklch(82.5% 0.048 264) | |
| Blue Gray | #6886CB | rgb(104, 134, 203) | hsl(222, 49%, 60%) | oklch(62.7% 0.110 265) | |
| Gunmetal | #222B3C | rgb(34, 43, 60) | hsl(219, 28%, 18%) | oklch(28.9% 0.034 263) |
Why it works and how to use it
The palette holds together thanks to its monochromatic hue relationship and a strong light-to-dark ladder (96% down to 18% lightness). A natural fit for websites, presentations and branding.
- Background: Smoke (#F1F4FA) is the lightest color, so it belongs on large surfaces.
- Text: Gunmetal (#222B3C) on #F1F4FA gives 12.89:1, passing WCAG AAA.
- Primary: Lavender Gray (#B6C6E6) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Blue Gray (#6886CB) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Smoke on Gunmetal at 12.89:1.
Preview on a real UI see how the palette feels in context
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Design faster with True Blue Gray & Gunmetal
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
#F1F4FA
#B6C6E6
#6886CB
#222B3C
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#F1F4FA on #222B3C | Aa | 12.89:1 | AAA |
#B6C6E6 on #222B3C | Aa | 8.26:1 | AAA |
#6886CB on #222B3C | Aa | 3.96:1 | AA large only |
#F1F4FA on #6886CB | Aa | 3.25:1 | AA large only |
#B6C6E6 on #6886CB | Aa | 2.08:1 | Fail |
#F1F4FA on #B6C6E6 | Aa | 1.56:1 | Fail |
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