# #a643b1

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

## Values

- Hex: `#a643b1`
- RGB: rgb(166, 67, 177)
- HSL: hsl(294, 45%, 48%)
- OKLCH: oklch(0.559 0.187 323.6)
- Relative luminance: 0.153
- Nearest named color: Fuchsia Pheromone (#9f4cb7, Δ 2.124) — https://brandsweets.com/colors/fuchsia-pheromone
- Moods: cool, modern
- Page: https://brandsweets.com/colors/a643b1

## Tints & shades

- Tints (toward white): #b251bd, #ba64c4, #c376cb, #cb89d2, #d39bd9, #dbaee0, #e3c0e7, #ebd3ee, #f4e5f5, #fcf8fc
- Shades (toward black): #993ea3, #873790, #793181, #682a6f, #5a2460, #4c1f51, #3b183f, #2d1230, #1c0b1e, #0e060f

## Harmonies

- Complementary: #4eb143
- Analogous: #6f43b1, #b14385
- Triadic: #b1a643, #43b1a6
- Split-complementary: #85b143, #43b16f
- Tetradic: #b16f43, #4eb143, #4385b1

## Colors that go with #a643b1

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 #a643b1 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
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #a643b1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #a643b1: 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 #a643b1: 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
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #a643b1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Crimson** #dc143c [pool] — Crimson is paired with #a643b1 in two real palettes: Gemstone and The Ordinary's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), The Ordinary (https://brandsweets.com/colors/brands/theordinary-com). — https://brandsweets.com/colors/crimson
- **Orange** #ffa500 [pool] — Two real palettes: Rippling's brand system and Sunset Boulevard put Orange beside #a643b1, 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 #a643b1 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

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

- On white (#ffffff): 5.17:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #873790 (7.05:1)
- On black (#000000): 4.06:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #af4aba (4.51:1); AA: background → #f0f0f0 (4.54:1); AAA: text → #c47acd (7.01:1)

## 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/a643b1-c19fc0-9fcb62-2d1f29-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: "#a643b1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.