# #866bd6

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

## Values

- Hex: `#866bd6`
- RGB: rgb(134, 107, 214)
- HSL: hsl(255, 57%, 63%)
- OKLCH: oklch(0.603 0.158 292.7)
- Relative luminance: 0.2044
- Nearest named color: mediumpurple (#9370db, Δ 2.603) — https://brandsweets.com/colors/mediumpurple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/866bd6

## Tints & shades

- Tints (toward white): #937bdb, #9d87de, #aa97e2, #b4a3e6, #c1b3ea, #cbbfed, #d8cff2, #e2dbf5, #efebfa, #f8f7fd
- Shades (toward black): #7253d0, #5e3bc9, #5231b4, #472b9c, #3e2588, #331f70, #281858, #1d1240, #120b28, #070410

## Harmonies

- Complementary: #bcd66b
- Analogous: #6b86d6, #bc6bd6
- Triadic: #d6866b, #6bd686
- Split-complementary: #d6bc6b, #86d66b
- Tetradic: #d66b86, #bcd66b, #6bd6bc

## Colors that go with #866bd6

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 #866bd6: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Disney (https://brandsweets.com/colors/brands/disney-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #866bd6 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), Google (https://brandsweets.com/colors/brands/google-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Crimson** #dc143c [pool] — Crimson is paired with #866bd6 in 4 real palettes, including Marvel's brand system and Pizza Hut's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #866bd6: 7 real palettes, including Linkedin's brand system and Fivetran blue's brand system, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Guinness (https://brandsweets.com/colors/brands/guinness-com), Coursera (https://brandsweets.com/colors/brands/coursera-org). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Lavender Haze and Marvel's brand system put Midnight Blue beside #866bd6, as that palette's text colour. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Marvel (https://brandsweets.com/colors/brands/marvel-com), Discord (https://brandsweets.com/colors/brands/discord), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/midnightblue
- **Red** #ff0000 [pool] — Red is paired with #866bd6 in 4 real palettes, including Twitch's brand system and Rotten Tomatoes's brand system, as the accent. Seen in: Twitch (https://brandsweets.com/colors/brands/twitch-tv), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), L'Oréal (https://brandsweets.com/colors/brands/loreal-com). — https://brandsweets.com/colors/red
- **Sea Green** #2e8b57 [pool] — Sea Green shows up next to #866bd6 in 5 real palettes, including Next.js's brand system and Subaru's brand system, as the supporting colour. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Subaru (https://brandsweets.com/colors/brands/subaru-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/seagreen
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #866bd6 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/olive

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

- On white (#ffffff): 4.13:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #7f63d4 (4.53:1); AA: background → #121212 (4.54:1); AAA: text → #5e3bc9 (7.13:1)
- On black (#000000): 5.09:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a08bdf (7.25:1)

## 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/866bd6-ab9cc4-dfbd4e-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: "#866bd6" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.