# #c66df3

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

## Values

- Hex: `#c66df3`
- RGB: rgb(198, 109, 243)
- HSL: hsl(280, 85%, 69%)
- OKLCH: oklch(0.689 0.204 312.9)
- Relative luminance: 0.2941
- Nearest named color: Illicit Purple (#bf77f6, Δ 2.265) — https://brandsweets.com/colors/illicit-purple
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/c66df3

## Tints & shades

- Tints (toward white): #cc7bf4, #d189f5, #d797f7, #dca5f8, #e2b4f9, #e5bdfa, #ebcbfb, #f0d9fc, #f6e7fd, #fbf6fe
- Shades (toward black): #bb50f1, #af2fee, #a413ec, #8d10cb, #790eaf, #620b8e, #4f0971, #380750, #240434, #0d0213

## Harmonies

- Complementary: #9af36d
- Analogous: #836df3, #f36ddd
- Triadic: #f3c66d, #6df3c6
- Split-complementary: #ddf36d, #6df383
- Tetradic: #f3836d, #9af36d, #6dddf3

## Colors that go with #c66df3

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

- **Medium Sea Green** #3cb371 [harmony: complementary] — Medium Sea Green sits directly opposite #c66df3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/mediumseagreen
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #c66df3 in 3 real palettes, including Obsidian's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), monday.com (https://brandsweets.com/colors/brands/monday-com). — https://brandsweets.com/colors/mediumslateblue
- **Light Sea Green** #20b2aa [harmony, pool: triadic] — Light Sea Green completes a triad with #c66df3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/lightseagreen
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #c66df3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod
- **Charcoal** #36454f [role] — Charcoal is the text near-black for #c66df3: softer than #000 and cool enough to feel like part of the same palette. — https://brandsweets.com/colors/charcoal
- **Hot Pink** #ff69b4 [harmony, pool: analogous] — Hot Pink is #c66df3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/hotpink
- **Taupe** #483c32 [pool] — Taupe is paired with #c66df3 in two real palettes: Loom's brand system and Obsidian's brand system, as that palette's text colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Peru** #cd853f [harmony: triadic] — Peru completes a triad with #c66df3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/peru

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

- On white (#ffffff): 3.05:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #b034ef (4.58:1); AA: background → #2b2b2b (4.64:1); AAA: text → #8910c6 (7.11:1)
- On black (#000000): 6.88:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #c871f4 (7.12:1)

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/c66df3-b99fc1-b8cb62-2d1f2c-ebe9f1?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: "#c66df3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.