#3D3B6B
#6D6CA6
#B9B8E3
#F2F1FB
#44388ACobalt
#775AD1Slate Blue
#BBBBFFPeriwinkle
#FFF3F7Smoke
Candy Slate Blue & Cobalt is a vivid monochromatic color palette tagged cold, blue, purple. 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. Warm and cool hues are mixed, which adds depth.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Cobalt | #44388A | rgb(68, 56, 138) | hsl(249, 42%, 38%) | oklch(40.1% 0.131 286) | |
| Slate Blue | #775AD1 | rgb(119, 90, 209) | hsl(255, 56%, 59%) | oklch(55.8% 0.176 291) | |
| Periwinkle | #BBBBFF | rgb(187, 187, 255) | hsl(240, 100%, 87%) | oklch(81.6% 0.095 284) | |
| Smoke | #FFF3F7 | rgb(255, 243, 247) | hsl(340, 100%, 98%) | oklch(97.5% 0.014 355) |
Why it works and how to use it
With 3 chromatic colors, Periwinkle takes the lead while the rest support. Lightness runs from 38% to 98%. Well suited to websites, presentations and branding.
- Background: Smoke (#FFF3F7) is the lightest color, so it belongs on large surfaces.
- Text: Cobalt (#44388A) on #FFF3F7 gives 8.91:1, passing WCAG AAA.
- Primary: Periwinkle (#BBBBFF) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Slate Blue (#775AD1) for highlights, badges and hover states.
3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Cobalt on Smoke at 8.91:1.
Preview on a real UI see how the palette feels in context
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Design faster with Candy 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
#44388A
#775AD1
#BBBBFF
#FFF3F7
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#44388A on #FFF3F7 | Aa | 8.91:1 | AAA |
#44388A on #BBBBFF | Aa | 5.35:1 | AA |
#775AD1 on #FFF3F7 | Aa | 4.66:1 | AA |
#775AD1 on #BBBBFF | Aa | 2.8:1 | Fail |
#44388A on #775AD1 | Aa | 1.91:1 | Fail |
#BBBBFF on #FFF3F7 | Aa | 1.66:1 | Fail |
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