#1C2541
#465D79
#5BC0BE
#FFFFFF
#CFFAFFIce
#7FD9DASky Blue
#538582Slate
#52514CGraphite
Lagoon Sky Blue & Slate is a monochromatic color palette tagged modern, muted, cold. A monochromatic set: the same hue family from Graphite down to Ice. 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 |
|---|---|---|---|---|---|
| Ice | #CFFAFF | rgb(207, 250, 255) | hsl(186, 100%, 91%) | oklch(95.7% 0.045 205) | |
| Sky Blue | #7FD9DA | rgb(127, 217, 218) | hsl(181, 55%, 68%) | oklch(83.0% 0.087 197) | |
| Slate | #538582 | rgb(83, 133, 130) | hsl(176, 23%, 42%) | oklch(58.0% 0.054 191) | |
| Graphite | #52514C | rgb(82, 81, 76) | hsl(50, 4%, 31%) | oklch(43.4% 0.008 98) |
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 (91% down to 31% lightness). A natural fit for websites, presentations and branding.
- Background: Ice (#CFFAFF) is the lightest color, so it belongs on large surfaces.
- Text: Graphite (#52514C) on #CFFAFF gives 7.11:1, passing WCAG AAA.
- Primary: Sky Blue (#7FD9DA) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Slate (#538582) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Ice on Graphite at 7.11:1.
Preview on a real UI see how the palette feels in context
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Design faster with Lagoon Sky Blue & 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
#CFFAFF
#7FD9DA
#538582
#52514C
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#CFFAFF on #52514C | Aa | 7.11:1 | AAA |
#7FD9DA on #52514C | Aa | 4.86:1 | AA |
#CFFAFF on #538582 | Aa | 3.72:1 | AA large only |
#7FD9DA on #538582 | Aa | 2.55:1 | Fail |
#538582 on #52514C | Aa | 1.91:1 | Fail |
#CFFAFF on #7FD9DA | Aa | 1.46:1 | Fail |
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