#0B2447
#3B5C9E
#6E86D6
#A5D7E8
#00243DInk
#0072ACCerulean
#488FD5Blue Gray
#BCE1FFGlacier
Blue Gray & Cerulean Muse is a vivid monochromatic color palette tagged cold, blue. A monochromatic set: the same hue family from Ink down to Glacier. Saturation runs high, so use the brightest color sparingly and let the others carry the surface area. The overall temperature is cool.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Ink | #00243D | rgb(0, 36, 61) | hsl(205, 100%, 12%) | oklch(25.1% 0.062 244) | |
| Cerulean | #0072AC | rgb(0, 114, 172) | hsl(200, 100%, 34%) | oklch(52.8% 0.124 242) | |
| Blue Gray | #488FD5 | rgb(72, 143, 213) | hsl(210, 63%, 56%) | oklch(63.6% 0.128 250) | |
| Glacier | #BCE1FF | rgb(188, 225, 255) | hsl(207, 100%, 87%) | oklch(89.3% 0.057 243) |
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 (87% down to 12% lightness). A natural fit for websites, presentations and branding.
- Background: Glacier (#BCE1FF) is the lightest color, so it belongs on large surfaces.
- Text: Ink (#00243D) on #BCE1FF gives 11.63:1, passing WCAG AAA.
- Primary: Cerulean (#0072AC) is the most saturated mid-tone; use it for buttons and links (3.84:1 against the background, fine for UI elements).
- Accent: Blue Gray (#488FD5) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Ink on Glacier at 11.63:1.
Preview on a real UI see how the palette feels in context
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Design faster with Blue Gray & Cerulean Muse
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
#00243D
#0072AC
#488FD5
#BCE1FF
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#00243D on #BCE1FF | Aa | 11.63:1 | AAA |
#00243D on #488FD5 | Aa | 4.67:1 | AA |
#0072AC on #BCE1FF | Aa | 3.84:1 | AA large only |
#00243D on #0072AC | Aa | 3.03:1 | AA large only |
#488FD5 on #BCE1FF | Aa | 2.49:1 | Fail |
#0072AC on #488FD5 | Aa | 1.54:1 | Fail |
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