# #8c66b2

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

## Values

- Hex: `#8c66b2`
- RGB: rgb(140, 102, 178)
- HSL: hsl(270, 33%, 55%)
- OKLCH: oklch(0.58 0.12 306)
- Relative luminance: 0.1829
- Nearest named color: Lavish Spending (#8469bc, Δ 1.995) — https://brandsweets.com/colors/lavish-spending
- Moods: cool, muted
- Page: https://brandsweets.com/colors/8c66b2

## Tints & shades

- Tints (toward white): #9674b9, #a385c1, #ad92c8, #b8a0cf, #c4b1d8, #cfbfdf, #d9cce5, #e3daec, #f0ebf5, #faf8fc
- Shades (toward black): #8055aa, #734d99, #664488, #593c77, #4d3366, #3d2951, #302040, #24182f, #170f1f, #0a070e

## Harmonies

- Complementary: #8cb266
- Analogous: #6666b2, #b266b2
- Triadic: #b28c66, #66b28c
- Split-complementary: #b2b266, #66b266
- Tetradic: #b26666, #8cb266, #66b2b2

## Colors that go with #8c66b2

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 #8c66b2: 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #8c66b2: 4 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] — 4 real palettes, including Marvel's brand system and Plaid's brand system put Midnight Blue beside #8c66b2, 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), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #8c66b2 in 4 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), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #8c66b2 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
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #8c66b2: 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). — https://brandsweets.com/colors/seagreen
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #8c66b2 in two real palettes: Klarna US's brand system and ClickUp's brand system, as the accent. Seen in: Klarna US (https://brandsweets.com/colors/brands/klarna-com), ClickUp (https://brandsweets.com/colors/brands/clickup-com). — https://brandsweets.com/colors/blueviolet
- **Coral** #ff7f50 [pool] — Designers have shipped Coral with #8c66b2: two real palettes: Clinic and Dusk Gradient, as the accent. Seen in: Clinic (https://brandsweets.com/palettes/clean#clinic), Dusk Gradient (https://brandsweets.com/palettes/dark#dusk-gradient). — https://brandsweets.com/colors/coral

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

- On white (#ffffff): 4.51:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6b488e (7.14:1)
- On black (#000000): 4.66:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a88cc5 (7.22:1)

## Brands using this color

- **Semrush** — secondary #8467aa (Δ 1.878) — 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/8c66b2-b59cc4-c9cb62-2c1f2d-eae9f1?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: "#8c66b2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.