# #866be1

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

## Values

- Hex: `#866be1`
- RGB: rgb(134, 107, 225)
- HSL: hsl(254, 66%, 65%)
- OKLCH: oklch(0.61 0.172 290.9)
- Relative luminance: 0.2102
- Nearest named color: mediumpurple (#9370db, Δ 2.757) — https://brandsweets.com/colors/mediumpurple
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/866be1

## Tints & shades

- Tints (toward white): #9178e3, #9e88e7, #a995e9, #b3a2ec, #c1b3ef, #cbc0f2, #d6ccf5, #e0d9f7, #eeeafb, #f8f7fd
- Shades (toward black): #7251db, #5d38d6, #4e29c7, #4424ae, #3a1e94, #2e1877, #24135d, #1a0e44, #11092a, #070311

## Harmonies

- Complementary: #c5e16b
- Analogous: #6b8ae1, #c16be1
- Triadic: #e1866b, #6be186
- Split-complementary: #e1c16b, #8ae16b
- Tetradic: #e16b8a, #c5e16b, #6be1c1

## Colors that go with #866be1

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

- **Amber** #ffbf00 [pool] — Amber is paired with #866be1 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
- **Blue** #0000ff [pool] — 4 real palettes, including Qualcomm's brand system and Readymag's brand system put Blue beside #866be1, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Signal (https://brandsweets.com/colors/brands/signal-org). — https://brandsweets.com/colors/blue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #866be1: 4 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), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #866be1: 5 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), Coursera (https://brandsweets.com/colors/brands/coursera-org), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Lavender Haze and Marvel's brand system put Midnight Blue beside #866be1, 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
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #866be1 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
- **Olive Drab** #6b8e23 [harmony, pool: split] — Olive Drab is a split-complement of #866be1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Spline (https://brandsweets.com/colors/brands/spline-design). — https://brandsweets.com/colors/olivedrab
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #866be1: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 4.04:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #7c5ede (4.65:1); AA: background → #141414 (4.57:1); AAA: text → #5a34d5 (7.27:1)
- On black (#000000): 5.2:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9e88e7 (7.13:1)

## 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/866be1-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: "#866be1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.