# #a337b9

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

## Values

- Hex: `#a337b9`
- RGB: rgb(163, 55, 185)
- HSL: hsl(290, 54%, 47%)
- OKLCH: oklch(0.546 0.208 320.3)
- Relative luminance: 0.1402
- Nearest named color: Magentleman (#aa22bb, Δ 2.745) — https://brandsweets.com/colors/magentleman
- Moods: cool, modern
- Page: https://brandsweets.com/colors/a337b9

## Tints & shades

- Tints (toward white): #b143c7, #b956cd, #c16ad2, #c97dd8, #d395df, #dba9e5, #e3bceb, #ebd0f1, #f4e4f7, #fcf7fd
- Shades (toward black): #9532a9, #842d95, #762886, #682376, #5a1e66, #491952, #3b1443, #2d0f33, #1c091f, #0e0510

## Harmonies

- Complementary: #4db937
- Analogous: #6237b9, #b9378d
- Triadic: #b9a337, #37b9a3
- Split-complementary: #8db937, #37b962
- Tetradic: #b96237, #4db937, #378db9

## Colors that go with #a337b9

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

- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #a337b9 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/forestgreen
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #a337b9: 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 #a337b9: 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 #a337b9: 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 #a337b9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Light Sea Green** #20b2aa [pool] — Light Sea Green shows up next to #a337b9 in two real palettes: Taco Bell's brand system and Circuit, as the accent. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com), Circuit (https://brandsweets.com/palettes/technical#circuit). — https://brandsweets.com/colors/lightseagreen
- **Rust** #b7410e [pool] — Rust shows up next to #a337b9 in two real palettes: Wayfair's brand system and Semrush's brand system, as the lead colour. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Semrush (https://brandsweets.com/colors/brands/semrush-com). — https://brandsweets.com/colors/rust
- **Taupe** #483c32 [pool] — Taupe is paired with #a337b9 in two real palettes: Superhuman's brand system and Obsidian's brand system, as the lead colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 5.52:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8b2f9d (7.02:1)
- On black (#000000): 3.8:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #b246c8 (4.6:1); AA: background → #e8e8e8 (4.51:1); AAA: text → #c879d7 (7.17:1)

## 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/a337b9-bf9fc1-a6cb62-2d1f29-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: "#a337b9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.