# #8366a9

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

## Values

- Hex: `#8366a9`
- RGB: rgb(131, 102, 169)
- HSL: hsl(266, 28%, 53%)
- OKLCH: oklch(0.566 0.105 303.1)
- Relative luminance: 0.1719
- Nearest named color: Lavish Spending (#8469bc, Δ 2.914) — https://brandsweets.com/colors/lavish-spending
- Moods: cool, muted
- Page: https://brandsweets.com/colors/8366a9

## Tints & shades

- Tints (toward white): #9076b2, #9a83b9, #a893c2, #b2a0ca, #c0b1d3, #cabeda, #d7cee3, #e2dbeb, #efebf4, #faf8fb
- Shades (toward black): #76589d, #6a4f8c, #5d467c, #513d6c, #47355f, #3b2c4e, #2f233e, #221a2e, #16111d, #0a070d

## Harmonies

- Complementary: #8ca966
- Analogous: #666aa9, #a466a9
- Triadic: #a98366, #66a983
- Split-complementary: #a9a466, #6aa966
- Tetradic: #a9666a, #8ca966, #66a9a4

## Colors that go with #8366a9

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 #8366a9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Campus (https://brandsweets.com/palettes/friendly#campus), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #8366a9: 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
- **Crimson** #dc143c [pool] — Crimson is paired with #8366a9 in 6 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), 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 #8366a9: 6 real palettes, including Campus and Linkedin's brand system, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Marvel's brand system and Plaid's brand system put Midnight Blue beside #8366a9, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), British Airways (https://brandsweets.com/colors/brands/britishairways-com). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #8366a9 in 9 real palettes, including Superhuman's brand system and Zed's brand system, as the lead colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Zed (https://brandsweets.com/colors/brands/zed-dev), Dusk (https://brandsweets.com/palettes/cool#dusk), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #8366a9 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
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #8366a9: 3 real palettes, including Honda's brand system and Newsprint, as the supporting colour. Seen in: Honda (https://brandsweets.com/colors/brands/honda-com), Newsprint (https://brandsweets.com/palettes/editorial#newsprint), Campbell's (https://brandsweets.com/colors/brands/campbells-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 4.73:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #674d89 (7:1)
- On black (#000000): 4.44:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8569ab (4.61:1); AA: background → #fafafa (4.53:1); AAA: text → #a28dbf (7.1:1)

## Brands using this color

- **Semrush** — secondary #8467aa (Δ 0.336) — https://brandsweets.com/colors/brands/semrush-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/8366a9-b29cc4-dfd74e-2b1f2d-e9eaf1?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: "#8366a9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.