# #a66cbc

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

## Values

- Hex: `#a66cbc`
- RGB: rgb(166, 108, 188)
- HSL: hsl(284, 37%, 58%)
- OKLCH: oklch(0.623 0.132 316.3)
- Relative luminance: 0.2246
- Nearest named color: Lavendless (#b86fc2, Δ 3.367) — https://brandsweets.com/colors/lavendless
- Moods: cool, modern
- Page: https://brandsweets.com/colors/a66cbc

## Tints & shades

- Tints (toward white): #af7ac2, #b788c8, #c096cf, #c8a4d5, #d1b2dc, #d9c0e2, #e1cee9, #eadcef, #f2eaf5, #fbf8fc
- Shades (toward black): #9c5bb3, #8d4ca4, #7e4393, #6c3a7e, #5d326c, #4e2a5b, #3c2046, #2d1834, #1b0e1f, #0c060e

## Harmonies

- Complementary: #81bc6c
- Analogous: #7f6cbc, #bc6ca9
- Triadic: #bca66c, #6cbca6
- Split-complementary: #a9bc6c, #6cbc7f
- Tetradic: #bc7f6c, #81bc6c, #6ca9bc

## Colors that go with #a66cbc

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 #a66cbc: 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 #a66cbc 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
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #a66cbc in 3 real palettes, including Obsidian's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Linear (https://brandsweets.com/colors/brands/linear). — https://brandsweets.com/colors/mediumslateblue
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Plaid's brand system and Marvel's brand system put Midnight Blue beside #a66cbc, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Cadet Blue** #5f9ea0 [harmony: split] — Cadet Blue is a split-complement of #a66cbc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/cadetblue
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #a66cbc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Amber** #ffbf00 [pool] — Amber is paired with #a66cbc in two real palettes: Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #a66cbc 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

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

- On white (#ffffff): 3.82:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9c5bb3 (4.6:1); AA: background → #1a1a1a (4.55:1); AAA: text → #78408c (7.21:1)
- On black (#000000): 5.49:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b585c7 (7.14:1)

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a66cbc-bc9fc1-b1cb62-2d1f2b-ebe9f1?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: "#a66cbc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.