# #a366b2

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

## Values

- Hex: `#a366b2`
- RGB: rgb(163, 102, 178)
- HSL: hsl(288, 33%, 55%)
- OKLCH: oklch(0.605 0.13 319.5)
- Relative luminance: 0.205
- Nearest named color: Crown Jewels (#946dad, Δ 3.128) — https://brandsweets.com/colors/crown-jewels
- Moods: cool, muted
- Page: https://brandsweets.com/colors/a366b2

## Tints & shades

- Tints (toward white): #ab74b9, #b585c1, #be92c8, #c6a0cf, #d0b1d8, #d8bfdf, #e0cce5, #e9daec, #f3ebf5, #fbf8fc
- Shades (toward black): #9955aa, #894d99, #7a4488, #6b3c77, #5c3366, #492951, #3a2040, #2b182f, #1b0f1f, #0c070e

## Harmonies

- Complementary: #76b266
- Analogous: #7d66b2, #b2669b
- Triadic: #b2a366, #66b2a3
- Split-complementary: #9bb266, #66b27d
- Tetradic: #b27d66, #76b266, #669bb2

## Colors that go with #a366b2

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 #a366b2: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/charcoal
- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #a366b2 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/olivedrab
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Marvel's brand system and Plaid's brand system put Midnight Blue beside #a366b2, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #a366b2 in 3 real palettes, including Loom's brand system and Superhuman's brand system, as that palette's text colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Dark Cyan** #008b8b [harmony: split] — Dark Cyan is a split-complement of #a366b2: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkcyan
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #a366b2: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #a366b2 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
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #a366b2 in two real palettes: Ledger Dark and Obsidian's brand system, as the accent. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/emerald-green

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

- On white (#ffffff): 4.12:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9d5cad (4.6:1); AA: background → #121212 (4.55:1); AAA: text → #774384 (7.19:1)
- On black (#000000): 5.1:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b585c1 (7.09:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a366b2-be9fc1-aacb62-2d1f2a-ece9f1?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: "#a366b2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.