# #a663ab

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

## Values

- Hex: `#a663ab`
- RGB: rgb(166, 99, 171)
- HSL: hsl(296, 30%, 53%)
- OKLCH: oklch(0.6 0.129 324.5)
- Relative luminance: 0.1997
- Nearest named color: Crown Jewels (#946dad, Δ 3.676) — https://brandsweets.com/colors/crown-jewels
- Moods: cool, muted
- Page: https://brandsweets.com/colors/a663ab

## Tints & shades

- Tints (toward white): #b074b4, #b781bb, #c192c4, #c89fcb, #d2afd4, #d9bddb, #e3cde4, #eadbeb, #f4ebf4, #fbf8fb
- Shades (toward black): #9a569f, #8a4d8f, #7a447e, #6a3b6d, #5d3460, #4d2b50, #3d223f, #2d192e, #1d101e, #0d070d

## Harmonies

- Complementary: #68ab63
- Analogous: #8263ab, #ab638c
- Triadic: #aba663, #63aba6
- Split-complementary: #8cab63, #63ab82
- Tetradic: #ab8263, #68ab63, #638cab

## Colors that go with #a663ab

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 #a663ab: 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
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #a663ab on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Dark Cyan** #008b8b [harmony: split] — Dark Cyan is a split-complement of #a663ab: 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 #a663ab: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Midnight Blue** #191970 [pool] — Two real palettes: Marvel's brand system and Plaid's brand system put Midnight Blue beside #a663ab, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #a663ab in two real palettes: 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). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [pool] — Two real palettes: Sunset Boulevard and Hermès's brand system put Tomato beside #a663ab, as the lead colour. Seen in: Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/tomato
- **Copper** #b87333 [harmony: triadic] — Copper completes a triad with #a663ab — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/copper

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

- On white (#ffffff): 4.2:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a159a6 (4.67:1); AA: background → #0f0f0f (4.56:1); AAA: text → #7a447e (7.11:1)
- On black (#000000): 4.99:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b984bd (7.1:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a663ab-c19fbf-9ccb62-2d1f28-ede9f1?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: "#a663ab" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.