#240046
#6021A1
#9D4EDD
#FF9E00
#13084DInk
#3D32AFCobalt
#745FF3Slate Blue
#FF9A6BCoral
Bold Slate Blue & Cobalt is a vivid complementary color palette tagged space, dark, vibrant. Ink and Coral sit nearly opposite on the color wheel, so the pairing has real energy; keep one as the accent. These are bold, punchy colors that need generous white space around them. Warm and cool hues are mixed, which adds depth.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Ink | #13084D | rgb(19, 8, 77) | hsl(250, 81%, 17%) | oklch(21.7% 0.116 278) | |
| Cobalt | #3D32AF | rgb(61, 50, 175) | hsl(245, 56%, 44%) | oklch(41.8% 0.189 278) | |
| Slate Blue | #745FF3 | rgb(116, 95, 243) | hsl(249, 86%, 66%) | oklch(58.8% 0.212 284) | |
| Coral | #FF9A6B | rgb(255, 154, 107) | hsl(19, 100%, 71%) | oklch(78.1% 0.136 45) |
Why it works and how to use it
The palette holds together thanks to its complementary hue relationship and a strong light-to-dark ladder (71% down to 17% lightness). A natural fit for websites, presentations and branding.
- Background: Coral (#FF9A6B) is the lightest color, so it belongs on large surfaces.
- Text: Ink (#13084D) on #FF9A6B gives 8.62:1, passing WCAG AAA.
- Primary: Slate Blue (#745FF3) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Cobalt (#3D32AF) for highlights, badges and hover states.
1 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Ink on Coral at 8.62:1.
Preview on a real UI see how the palette feels in context
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Design faster with Bold Slate Blue & Cobalt
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
#13084D
#3D32AF
#745FF3
#FF9A6B
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#13084D on #FF9A6B | Aa | 8.62:1 | AAA |
#3D32AF on #FF9A6B | Aa | 4.44:1 | AA large only |
#13084D on #745FF3 | Aa | 4:1 | AA large only |
#745FF3 on #FF9A6B | Aa | 2.16:1 | Fail |
#3D32AF on #745FF3 | Aa | 2.06:1 | Fail |
#13084D on #3D32AF | Aa | 1.94:1 | Fail |
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