#3A86FF
#8EC5FC
#E0C3FC
#FFFFFF
#183C85Cobalt
#3681C7Steel Blue
#65B9F7Cyan
#F5FBFFSnow
Steel Blue & Cobalt Dream is a vivid monochromatic color palette tagged gradient, cold, blue. All four colors sit within 15° of hue, so the scheme reads as one color explored across light and dark. These are bold, punchy colors that need generous white space around them. The overall temperature is cool.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Cobalt | #183C85 | rgb(24, 60, 133) | hsl(220, 69%, 31%) | oklch(37.7% 0.130 262) | |
| Steel Blue | #3681C7 | rgb(54, 129, 199) | hsl(209, 57%, 50%) | oklch(59.0% 0.130 250) | |
| Cyan | #65B9F7 | rgb(101, 185, 247) | hsl(205, 90%, 68%) | oklch(75.8% 0.121 243) | |
| Snow | #F5FBFF | rgb(245, 251, 255) | hsl(204, 100%, 98%) | oklch(98.5% 0.008 237) |
Why it works and how to use it
With 3 chromatic colors, Cyan takes the lead while the rest support. Lightness runs from 31% to 98%. Well suited to websites, presentations and branding.
- Background: Snow (#F5FBFF) is the lightest color, so it belongs on large surfaces.
- Text: Cobalt (#183C85) on #F5FBFF gives 9.94:1, passing WCAG AAA.
- Primary: Cyan (#65B9F7) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Steel Blue (#3681C7) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Cobalt on Snow at 9.94:1.
Preview on a real UI see how the palette feels in context
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Design faster with Steel Blue & Cobalt Dream
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
#183C85
#3681C7
#65B9F7
#F5FBFF
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#183C85 on #F5FBFF | Aa | 9.94:1 | AAA |
#183C85 on #65B9F7 | Aa | 4.86:1 | AA |
#3681C7 on #F5FBFF | Aa | 3.93:1 | AA large only |
#183C85 on #3681C7 | Aa | 2.53:1 | Fail |
#65B9F7 on #F5FBFF | Aa | 2.05:1 | Fail |
#3681C7 on #65B9F7 | Aa | 1.92:1 | Fail |
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