# #a451b3

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

## Values

- Hex: `#a451b3`
- RGB: rgb(164, 81, 179)
- HSL: hsl(291, 39%, 51%)
- OKLCH: oklch(0.575 0.167 321.3)
- Relative luminance: 0.1703
- Nearest named color: Fuchsia Pheromone (#9f4cb7, Δ 1.722) — https://brandsweets.com/colors/fuchsia-pheromone
- Moods: cool, modern
- Page: https://brandsweets.com/colors/a451b3

## Tints & shades

- Tints (toward white): #ad63bb, #b571c1, #be83c9, #c795d0, #d1a6d8, #d8b5de, #e1c6e6, #ebd8ee, #f2e6f4, #fbf8fc
- Shades (toward black): #9548a3, #884195, #783a83, #683271, #5b2c63, #4b2452, #3a1c40, #2a142e, #1d0e20, #0d060e

## Harmonies

- Complementary: #60b351
- Analogous: #7351b3, #b35191
- Triadic: #b3a451, #51b3a4
- Split-complementary: #91b351, #51b373
- Tetradic: #b37351, #60b351, #5191b3

## Colors that go with #a451b3

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 #a451b3 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, pool: split] — Dark Cyan is a split-complement of #a451b3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkcyan
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #a451b3: 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 #a451b3: 3 real palettes, including Hasbro's brand system and Peacock, as the supporting colour. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #a451b3 in 3 real palettes, including Superhuman's brand system and Loom's brand system, as the lead colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Loom (https://brandsweets.com/colors/brands/loom-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #a451b3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #a451b3 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
- **Midnight Blue** #191970 [pool] — Two real palettes: Marvel's brand system and Lavender Haze put Midnight Blue beside #a451b3, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 4.77:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7f3d8a (7.15:1)
- On black (#000000): 4.41:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a655b4 (4.58:1); AA: background → #fafafa (4.57:1); AAA: text → #be83c9 (7.28:1)

## 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/a451b3-bf9fc1-a4cb62-2d1f29-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: "#a451b3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.