#000613
#273D5D
#446386
#C5C6C2
#D0E3F8Glacier
#60799CSlate
#365476Dusk
#1A1A18Licorice
Nocturne Dusk & Slate is a monochromatic color palette tagged dark, modern, muted. All four colors sit within 3° of hue, so the scheme reads as one color explored across light and dark. 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 |
|---|---|---|---|---|---|
| Glacier | #D0E3F8 | rgb(208, 227, 248) | hsl(212, 74%, 89%) | oklch(90.8% 0.035 251) | |
| Slate | #60799C | rgb(96, 121, 156) | hsl(215, 24%, 49%) | oklch(57.0% 0.062 257) | |
| Dusk | #365476 | rgb(54, 84, 118) | hsl(212, 37%, 34%) | oklch(43.8% 0.067 252) | |
| Licorice | #1A1A18 | rgb(26, 26, 24) | hsl(60, 4%, 10%) | oklch(21.7% 0.004 107) |
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 (89% down to 10% lightness). A natural fit for websites, presentations and branding.
- Background: Glacier (#D0E3F8) is the lightest color, so it belongs on large surfaces.
- Text: Licorice (#1A1A18) on #D0E3F8 gives 13.3:1, passing WCAG AAA.
- Primary: Dusk (#365476) is the most saturated mid-tone; use it for buttons and links (5.96:1 against the background, fine for UI elements).
- Accent: Slate (#60799C) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Glacier on Licorice at 13.3:1.
Preview on a real UI see how the palette feels in context
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Design faster with Nocturne Dusk & 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
#D0E3F8
#60799C
#365476
#1A1A18
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#D0E3F8 on #1A1A18 | Aa | 13.3:1 | AAA |
#D0E3F8 on #365476 | Aa | 5.96:1 | AA |
#60799C on #1A1A18 | Aa | 3.91:1 | AA large only |
#D0E3F8 on #60799C | Aa | 3.4:1 | AA large only |
#365476 on #1A1A18 | Aa | 2.23:1 | Fail |
#60799C on #365476 | Aa | 1.75:1 | Fail |
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