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Slate Blue vs Periwinkle

What's the difference? Side-by-side comparison with color codes, shades, and usage guide.

Slate Blue#6A5ACD
Periwinkle#CCCCFF
#6A5ACDBlended: #9B93E6#CCCCFF
Quick Answer

Slate Blue and Periwinkle are often confused but have distinct differences in hue, saturation, and tone. Slate Blue (#6A5ACD) and Periwinkle (#CCCCFF) each suit different design contexts — understanding their differences helps you choose the right color for your project.

Key Differences

Aspect Slate Blue Periwinkle
BrightnessDark — feels deep, rich, groundedLight — feels airy, bright, lively
SaturationMuted — more subdued, restrainedVivid — more colorful, eye-catching
WarmthCooler — leans more toward blueWarmer — leans slightly toward green
MoodSophisticated, calm, professionalPlayful, energetic, tropical
Best forCorporate branding, interiors, formal designSummer themes, jewelry, casual/fun design
CSS nameteal (built-in)turquoise (built-in)

Can you use them together?

Periwinkle text on Slate Blue
Slate Blue text on Periwinkle
Contrast Ratio:3.45:1Large Text Only

When to use each

Use Slate Blue for:
●Corporate websites and branding
●Elegant interior design
●Professional presentations
●Dark-mode friendly UI elements
●Formal event invitations
Use Periwinkle for:
●Summer and tropical themes
●Children's products and toys
●Beach and travel branding
●Jewelry and gemstone marketing
●Bright, energetic social media posts

Full Color Details

Slate Blue#6A5ACD

Teal is a deep blue-green color named after the Eurasian teal bird. It's widely used in web design, fashion, and interior decor for its calming, sophisticated quality.

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Periwinkle#CCCCFF

Turquoise is a brighter, more vibrant blue-green named after the gemstone. It's lighter and more energetic than teal, evoking tropical waters, summer, and playfulness.

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FAQ

What is the difference between slate blue and periwinkle?+
Slate Blue and Periwinkle are often confused but have distinct differences in hue, saturation, and tone. Slate Blue (#6A5ACD) and Periwinkle (#CCCCFF) each suit different design contexts — understanding their differences helps you choose the right color for your project.
Is slate blue darker than periwinkle?+
Yes. Slate Blue (#6A5ACD) is significantly darker than Periwinkle (#CCCCFF). Slate Blue has a lightness of 58% in HSL, while Periwinkle has 90% lightness.
Can you use slate blue and periwinkle together?+
Yes, they can work well together in a monochromatic or analogous palette since they're both blue-green colors. Their contrast ratio is 3.45:1. Use slate blue as the dominant/darker color and periwinkle as the accent or highlight.
What is the hex code for slate blue?+
The hex code for Slate Blue is #6A5ACD. In RGB, that's rgb(106, 90, 205).
What is the hex code for periwinkle?+
The hex code for Periwinkle is #CCCCFF. In RGB, that's rgb(204, 204, 255).