# #a643a8

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

## Values

- Hex: `#a643a8`
- RGB: rgb(166, 67, 168)
- HSL: hsl(299, 43%, 46%)
- OKLCH: oklch(0.554 0.179 326.9)
- Relative luminance: 0.1495
- Nearest named color: Fuchsia Pheromone (#9f4cb7, Δ 2.927) — https://brandsweets.com/colors/fuchsia-pheromone
- Moods: cool, modern
- Page: https://brandsweets.com/colors/a643a8

## Tints & shades

- Tints (toward white): #b64cb8, #bd5fbf, #c674c8, #ce87cf, #d599d6, #ddabde, #e4bde5, #edd3ee, #f5e5f5, #fcf8fc
- Shades (toward black): #983d99, #89378b, #773078, #692a6a, #5a245b, #4c1f4d, #3d193e, #2b112c, #1d0c1d, #0e060f

## Harmonies

- Complementary: #45a843
- Analogous: #7443a8, #a84377
- Triadic: #a8a643, #43a8a6
- Split-complementary: #77a843, #43a874
- Tetradic: #a87443, #45a843, #4377a8

## Colors that go with #a643a8

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #a643a8 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #a643a8: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a643a8: 3 real palettes, including Peacock and Hasbro's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/denim
- **Teal** #008080 [harmony: split] — Teal is a split-complement of #a643a8: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/teal
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #a643a8: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Orange** #ffa500 [pool] — Two real palettes: Rippling's brand system and Sunset Boulevard put Orange beside #a643a8, as the lead colour. Seen in: Rippling (https://brandsweets.com/colors/brands/rippling-com), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard). — https://brandsweets.com/colors/orange
- **Rust** #b7410e [pool] — Rust shows up next to #a643a8 in two real palettes: Semrush's brand system and Wayfair's brand system, as the accent. Seen in: Semrush (https://brandsweets.com/colors/brands/semrush-com), Wayfair (https://brandsweets.com/colors/brands/wayfair-com). — https://brandsweets.com/colors/rust
- **Tomato** #ff6347 [pool] — Two real palettes: Sunset Boulevard and GitLab's brand system put Tomato beside #a643a8, as the lead colour. Seen in: Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard), GitLab (https://brandsweets.com/colors/brands/gitlab). — https://brandsweets.com/colors/tomato

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

- On white (#ffffff): 5.26:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #89378b (7.04:1)
- On black (#000000): 3.99:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #b449b6 (4.57:1); AA: background → #f0f0f0 (4.62:1); AAA: text → #c97ccb (7.23:1)

## 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/a643a8-c19fbd-96cb62-2d1f27-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: "#a643a8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.