# #8366b2

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

## Values

- Hex: `#8366b2`
- RGB: rgb(131, 102, 178)
- HSL: hsl(263, 33%, 55%)
- OKLCH: oklch(0.571 0.117 300.3)
- Relative luminance: 0.1754
- Nearest named color: Lavish Spending (#8469bc, Δ 1.606) — https://brandsweets.com/colors/lavish-spending
- Moods: cool, muted
- Page: https://brandsweets.com/colors/8366b2

## Tints & shades

- Tints (toward white): #8e74b9, #9c85c1, #a792c8, #b2a0cf, #c0b1d8, #cbbfdf, #d6cce5, #e1daec, #efebf5, #faf8fc
- Shades (toward black): #7655aa, #6a4d99, #5e4488, #523c77, #473366, #382951, #2d2040, #21182f, #150f1f, #09070e

## Harmonies

- Complementary: #95b266
- Analogous: #666fb2, #a966b2
- Triadic: #b28366, #66b283
- Split-complementary: #b2a966, #6fb266
- Tetradic: #b2666f, #95b266, #66b2a9

## Colors that go with #8366b2

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 #8366b2: 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 #8366b2: 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 #8366b2 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 #8366b2: 6 real palettes, including Linkedin's brand system and Campus, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Campus (https://brandsweets.com/palettes/friendly#campus), 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] — 10 real palettes, including Marvel's brand system and Plaid's brand system put Midnight Blue beside #8366b2, 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 #8366b2 in 8 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), Astro (https://brandsweets.com/colors/brands/astro-build), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #8366b2 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
- **Red** #ff0000 [pool] — Red is paired with #8366b2 in 3 real palettes, including Nike's brand system and L'Oréal's brand system, as the supporting colour. Seen in: Nike (https://brandsweets.com/colors/brands/nike-com), L'Oréal (https://brandsweets.com/colors/brands/loreal-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 4.66:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #654992 (7.19:1)
- On black (#000000): 4.51:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a28cc5 (7.09:1)

## Brands using this color

- **Semrush** — secondary #8467aa (Δ 1.354) — 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/8366b2-b09cc4-dfd04e-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: "#8366b2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.