# #8b66fa

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

## Values

- Hex: `#8b66fa`
- RGB: rgb(139, 102, 250)
- HSL: hsl(255, 94%, 69%)
- OKLCH: oklch(0.623 0.211 290.5)
- Relative luminance: 0.2189
- Nearest named color: mediumslateblue (#7b68ee, Δ 3.079) — https://brandsweets.com/colors/mediumslateblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/8b66fa

## Tints & shades

- Tints (toward white): #9674fb, #a183fb, #ad92fc, #b8a1fc, #c3b0fd, #cbbafd, #d6c9fd, #e1d7fe, #ece6fe, #f8f5ff
- Shades (toward black): #7448f9, #5a25f8, #4408f7, #3a07d5, #3206b7, #290594, #200477, #170354, #0f0236, #050114

## Harmonies

- Complementary: #d5fa66
- Analogous: #668bfa, #d566fa
- Triadic: #fa8b66, #66fa8b
- Split-complementary: #fad566, #8bfa66
- Tetradic: #fa668b, #d5fa66, #66fad5

## Colors that go with #8b66fa

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

- **Midnight Blue** #191970 [pool] — 4 real palettes, including Lavender Haze and Discord's brand system put Midnight Blue beside #8b66fa, as that palette's text colour. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Discord (https://brandsweets.com/colors/brands/discord), Marvel (https://brandsweets.com/colors/brands/marvel-com), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #8b66fa in 4 real palettes, including Obsidian's brand system and Zed's brand system, as that palette's text colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Zed (https://brandsweets.com/colors/brands/zed-dev), Loom (https://brandsweets.com/colors/brands/loom-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #8b66fa 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 #8b66fa: 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
- **Amber** #ffbf00 [pool] — Amber is paired with #8b66fa in 3 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). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 3 real palettes, including Qualcomm's brand system and Signal's brand system put Blue beside #8b66fa, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Signal (https://brandsweets.com/colors/brands/signal-org), Penpot (https://brandsweets.com/colors/brands/penpot-app). — https://brandsweets.com/colors/blue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #8b66fa: 3 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), Render (https://brandsweets.com/colors/brands/render-com). — https://brandsweets.com/colors/deepskyblue
- **Charcoal** #36454f [role] — Charcoal is the text near-black for #8b66fa: softer than #000 and cool enough to feel like part of the same palette. — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 3.9:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8057fa (4.5:1); AA: background → #171717 (4.59:1); AAA: text → #5620f8 (7.1:1)
- On black (#000000): 5.38:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a183fb (7.15:1)

## 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/8b66fa-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: "#8b66fa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.