#0B2447
#3B5C9E
#6E86D6
#A5D7E8
#0B1D3AInk
#2F5887Lapis
#3D8BD9Blueberry
#DCEBFALavender
Deep Cold is a vivid monochromatic color palette tagged cold, dark, blue. A monochromatic set: the same hue family from Ink down to Lavender. 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 | #0B1D3A | rgb(11, 29, 58) | hsl(217, 68%, 14%) | oklch(23.4% 0.061 260) | |
| Lapis | #2F5887 | rgb(47, 88, 135) | hsl(212, 48%, 36%) | oklch(45.4% 0.090 253) | |
| Blueberry | #3D8BD9 | rgb(61, 139, 217) | hsl(210, 67%, 55%) | oklch(62.5% 0.141 251) | |
| Lavender | #DCEBFA | rgb(220, 235, 250) | hsl(210, 75%, 92%) | oklch(93.3% 0.026 248) |
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 (92% down to 14% lightness). A natural fit for websites, presentations and branding.
- Background: Lavender (#DCEBFA) is the lightest color, so it belongs on large surfaces.
- Text: Ink (#0B1D3A) on #DCEBFA gives 13.83:1, passing WCAG AAA.
- Primary: Blueberry (#3D8BD9) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Lapis (#2F5887) for highlights, badges and hover states.
3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Ink on Lavender at 13.83:1.
Preview on a real UI see how the palette feels in context
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Design faster with Deep Cold
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
#0B1D3A
#2F5887
#3D8BD9
#DCEBFA
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#0B1D3A on #DCEBFA | Aa | 13.83:1 | AAA |
#2F5887 on #DCEBFA | Aa | 6.04:1 | AA |
#0B1D3A on #3D8BD9 | Aa | 4.71:1 | AA |
#3D8BD9 on #DCEBFA | Aa | 2.94:1 | Fail |
#0B1D3A on #2F5887 | Aa | 2.29:1 | Fail |
#2F5887 on #3D8BD9 | Aa | 2.06:1 | Fail |
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