# #866fd3

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

## Values

- Hex: `#866fd3`
- RGB: rgb(134, 111, 211)
- HSL: hsl(254, 53%, 63%)
- OKLCH: oklch(0.609 0.148 292)
- Relative luminance: 0.2114
- Nearest named color: mediumpurple (#9370db, Δ 2.431) — https://brandsweets.com/colors/mediumpurple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/866fd3

## Tints & shades

- Tints (toward white): #937ed7, #9d8adb, #aa9ae0, #b4a5e3, #c1b5e8, #cbc1ec, #d8d0f1, #e2dcf4, #efebf9, #f8f7fd
- Shades (toward black): #7257cb, #5f40c4, #5236b0, #472f98, #3e2985, #33226d, #281a56, #1d133e, #120c27, #070510

## Harmonies

- Complementary: #bbd36f
- Analogous: #6f89d3, #b86fd3
- Triadic: #d3866f, #6fd386
- Split-complementary: #d3b86f, #89d36f
- Tetradic: #d36f89, #bbd36f, #6fd3b8

## Colors that go with #866fd3

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 #866fd3: 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
- **Amber** #ffbf00 [pool] — Amber is paired with #866fd3 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #866fd3: 5 real palettes, including Calm's brand system and Blueprint, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Astro (https://brandsweets.com/colors/brands/astro-build), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #866fd3: 8 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), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Coursera (https://brandsweets.com/colors/brands/coursera-org). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Marvel's brand system and Lavender Haze put Midnight Blue beside #866fd3, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Plaid (https://brandsweets.com/colors/brands/plaid-com), Discord (https://brandsweets.com/colors/brands/discord). — https://brandsweets.com/colors/midnightblue
- **Red** #ff0000 [pool] — Red is paired with #866fd3 in 4 real palettes, including Twitch's brand system and Nike's brand system, as the accent. Seen in: Twitch (https://brandsweets.com/colors/brands/twitch-tv), Nike (https://brandsweets.com/colors/brands/nike-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com). — https://brandsweets.com/colors/red
- **Taupe** #483c32 [pool] — Taupe is paired with #866fd3 in 11 real palettes, including Zed's brand system and Obsidian's brand system, as that palette's text colour. Seen in: Zed (https://brandsweets.com/colors/brands/zed-dev), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Retool (https://brandsweets.com/colors/brands/retool-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #866fd3 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): 4.02:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #7c63cf (4.62:1); AA: background → #141414 (4.59:1); AAA: text → #5b3cc3 (7.29:1)
- On black (#000000): 5.23:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9d8adb (7.09:1)

## 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/866fd3-aa9cc4-dfbb4e-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: "#866fd3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.