# #866dc0

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

## Values

- Hex: `#866dc0`
- RGB: rgb(134, 109, 192)
- HSL: hsl(258, 40%, 59%)
- OKLCH: oklch(0.594 0.125 296.3)
- Relative luminance: 0.1981
- Nearest named color: Lavish Spending (#8469bc, Δ 1.164) — https://brandsweets.com/colors/lavish-spending
- Moods: cool, modern
- Page: https://brandsweets.com/colors/866dc0

## Tints & shades

- Tints (toward white): #927bc6, #9d89cd, #a997d3, #b5a6d9, #c1b4df, #cabfe3, #d6cdea, #e1dbf0, #edeaf6, #f9f8fc
- Shades (toward black): #775bb9, #6749ab, #5c429a, #4f3984, #453172, #38285d, #2d204b, #201736, #150f24, #09060e

## Harmonies

- Complementary: #a7c06d
- Analogous: #6d7dc0, #b06dc0
- Triadic: #c0866d, #6dc086
- Split-complementary: #c0b06d, #7dc06d
- Tetradic: #c06d7d, #a7c06d, #6dc0b0

## Colors that go with #866dc0

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 #866dc0: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #866dc0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #866dc0 in 5 real palettes, including Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Crimson** #dc143c [pool] — Crimson is paired with #866dc0 in 5 real palettes, including Marvel's brand system and Retro Pop, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #866dc0: 4 real palettes, including Calm's brand system and Astro's brand system, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Astro (https://brandsweets.com/colors/brands/astro-build), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #866dc0: 5 real palettes, including Linkedin's brand system and Campus, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Campus (https://brandsweets.com/palettes/friendly#campus), American Express (https://brandsweets.com/colors/brands/americanexpress-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Marvel's brand system and Plaid's brand system put Midnight Blue beside #866dc0, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #866dc0 in 8 real palettes, including Zed's brand system and Superhuman's brand system, as that palette's text colour. Seen in: Zed (https://brandsweets.com/colors/brands/zed-dev), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Retool (https://brandsweets.com/colors/brands/retool-com). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 4.23:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8065bd (4.65:1); AA: background → #0f0f0f (4.53:1); AAA: text → #6346a4 (7.14:1)
- On black (#000000): 4.96:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a08dce (7.2:1)

## Fonts for this mood

- 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/866dc0-ad9cc4-dfc44e-291f2d-e9ebf1?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: "#866dc0" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.