# #8166a3

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

## Values

- Hex: `#8166a3`
- RGB: rgb(129, 102, 163)
- HSL: hsl(267, 25%, 52%)
- OKLCH: oklch(0.561 0.097 303.8)
- Relative luminance: 0.1681
- Nearest named color: Lavish Spending (#8469bc, Δ 3.871) — https://brandsweets.com/colors/lavish-spending
- Moods: cool, muted
- Page: https://brandsweets.com/colors/8166a3

## Tints & shades

- Tints (toward white): #8f76ad, #9983b4, #a693be, #b19fc6, #beafcf, #cbbfd9, #d5cce0, #e2dcea, #ede9f2, #faf9fb
- Shades (toward black): #755a96, #685086, #5e4979, #523f69, #463659, #392c49, #2d2239, #231b2d, #16111d, #0a080d

## Harmonies

- Complementary: #88a366
- Analogous: #6669a3, #a066a3
- Triadic: #a38266, #66a382
- Split-complementary: #a3a066, #69a366
- Tetradic: #a36669, #88a366, #66a3a0

## Colors that go with #8166a3

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 #8166a3: 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 #8166a3: 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 #8166a3 in 5 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), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #8166a3: 6 real palettes, including Campus and The New York Times's brand system, as the lead colour. Seen in: 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), Linkedin (https://brandsweets.com/colors/brands/linkedin-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 #8166a3, 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), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #8166a3 in 5 real palettes, including Slate Workspace and Stripe's brand system, as the accent. Seen in: Slate Workspace (https://brandsweets.com/palettes/minimal#slate-workspace), Stripe (https://brandsweets.com/colors/brands/stripe), Guinness (https://brandsweets.com/colors/brands/guinness-com), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #8166a3 in 11 real palettes, including Superhuman's brand system and Graphite Mono, as the lead colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Dusk (https://brandsweets.com/palettes/cool#dusk), Greige (https://brandsweets.com/palettes/neutral#greige). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #8166a3 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

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

- On white (#ffffff): 4.81:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #664e83 (7.04:1)
- On black (#000000): 4.36:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8469a5 (4.55:1); AA: background → #fafafa (4.61:1); AAA: text → #a48fbc (7.23:1)

## Brands using this color

- **Semrush** — secondary #8467aa (Δ 1.203) — 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/8166a3-b39cc4-dfda4e-2c1f2d-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: "#8166a3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.