#0B2447
#3B5C9E
#6E86D6
#A5D7E8
#233D62Charcoal
#5578BCSteel Blue
#86A0F2Cornflower
#C9F1FFIce
Cornflower & Steel Blue Echo is a vivid analogous color palette tagged ocean, cold, blue. The hues stay within 30° of each other on the color wheel, which is why the palette feels cohesive rather than busy. 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 |
|---|---|---|---|---|---|
| Charcoal | #233D62 | rgb(35, 61, 98) | hsl(215, 47%, 26%) | oklch(35.8% 0.072 257) | |
| Steel Blue | #5578BC | rgb(85, 120, 188) | hsl(220, 43%, 54%) | oklch(57.7% 0.113 263) | |
| Cornflower | #86A0F2 | rgb(134, 160, 242) | hsl(226, 81%, 74%) | oklch(72.0% 0.123 270) | |
| Ice | #C9F1FF | rgb(201, 241, 255) | hsl(196, 100%, 89%) | oklch(93.4% 0.045 221) |
Why it works and how to use it
The palette holds together thanks to its analogous hue relationship and a strong light-to-dark ladder (89% down to 26% lightness). A natural fit for websites, presentations and branding.
- Background: Ice (#C9F1FF) is the lightest color, so it belongs on large surfaces.
- Text: Charcoal (#233D62) on #C9F1FF gives 9.14:1, passing WCAG AAA.
- Primary: Cornflower (#86A0F2) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Steel Blue (#5578BC) for highlights, badges and hover states.
1 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Charcoal on Ice at 9.14:1.
Preview on a real UI see how the palette feels in context
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Design faster with Cornflower & Steel Blue Echo
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
#233D62
#5578BC
#86A0F2
#C9F1FF
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#233D62 on #C9F1FF | Aa | 9.14:1 | AAA |
#233D62 on #86A0F2 | Aa | 4.35:1 | AA large only |
#5578BC on #C9F1FF | Aa | 3.65:1 | AA large only |
#233D62 on #5578BC | Aa | 2.51:1 | Fail |
#86A0F2 on #C9F1FF | Aa | 2.1:1 | Fail |
#5578BC on #86A0F2 | Aa | 1.73:1 | Fail |
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