# Periwinkle (#ccccff)

A named color — cool, vivid, light, technical, modern, clean. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#ccccff`
- RGB: rgb(204, 204, 255)
- HSL: hsl(240, 100%, 90%)
- OKLCH: oklch(0.862 0.07 284.8)
- Relative luminance: 0.6324
- Name: Periwinkle (`periwinkle`, source: list)
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/periwinkle

## Tints & shades

- Tints (toward white): #d1d1ff, #d6d6ff, #d6d6ff, #dbdbff, #e0e0ff, #e5e5ff, #ebebff, #ebebff, #f0f0ff, #f5f5ff
- Shades (toward black): #9e9eff, #7575ff, #4747ff, #1f1fff, #0000f0, #0000c2, #000099, #00006b, #000042, #000014

## Harmonies

- Complementary: #ffffcc
- Analogous: #cce6ff, #e6ccff
- Triadic: #ffcccc, #ccffcc
- Split-complementary: #ffe6cc, #e6ffcc
- Tetradic: #ffcce6, #ffffcc, #ccffe6

## Colors that go with Periwinkle

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for Periwinkle: softer than #000 and cool enough to feel like part of the same palette. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Coastal (https://brandsweets.com/palettes/cool#coastal), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is Periwinkle's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Calendly (https://brandsweets.com/colors/brands/calendly-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Max (https://brandsweets.com/colors/brands/max-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue
- **Dark Khaki** #bdb76b [harmony, pool: complementary] — Dark Khaki sits directly opposite Periwinkle on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/darkkhaki
- **Burlywood** #deb887 [pool] — Burlywood is paired with Periwinkle in 5 real palettes, including Coastal and Velvet, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Velvet (https://brandsweets.com/palettes/luxury#velvet), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Crimson** #dc143c [pool] — Crimson is paired with Periwinkle in 4 real palettes, including Frost & Ember and Cartier's brand system, as the accent. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Cartier (https://brandsweets.com/colors/brands/cartier-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), JBL (https://brandsweets.com/colors/brands/jbl-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to Periwinkle in 4 real palettes, including Oatmeal and Forest Floor, as the lead colour. Seen in: Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with Periwinkle: 4 real palettes, including Nikon's brand system and Victoria's Secret's brand system, as the supporting colour. Seen in: Nikon (https://brandsweets.com/colors/brands/nikon-com), Victoria's Secret (https://brandsweets.com/colors/brands/victoriassecret-com), Fitbit (https://brandsweets.com/colors/brands/fitbit-com), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/denim
- **Eggplant** #614051 [pool] — Eggplant shows up next to Periwinkle in 4 real palettes, including Blush and Velvet, as the accent. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Velvet (https://brandsweets.com/palettes/luxury#velvet), Sepia Mono (https://brandsweets.com/palettes/warm#sepia-mono), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/eggplant

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 1.54:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6161ff (4.5:1); AA: background → #595959 (4.55:1); AAA: text → #2e2eff (7.12:1); AAA: background → #3d3d3d (7.06:1)
- On black (#000000): 13.65:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/ccccff-a19cc4-df994e-251f2d-e9edf1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#ccccff" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.