# #b571b7

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

## Values

- Hex: `#b571b7`
- RGB: rgb(181, 113, 183)
- HSL: hsl(298, 33%, 58%)
- OKLCH: oklch(0.646 0.126 325.9)
- Relative luminance: 0.2505
- Nearest named color: Lavendless (#b86fc2, Δ 1.907) — https://brandsweets.com/colors/lavendless
- Moods: cool, muted
- Page: https://brandsweets.com/colors/b571b7

## Tints & shades

- Tints (toward white): #bc7ebe, #c38cc5, #ca99cc, #d1a7d3, #d8b4d9, #dfc2e0, #e6d0e7, #edddee, #f4ebf5, #fbf8fc
- Shades (toward black): #ac60af, #9d509f, #8c488e, #783e7a, #673569, #572c58, #432244, #321a33, #1e0f1f, #0d070e

## Harmonies

- Complementary: #73b771
- Analogous: #9271b7, #b77196
- Triadic: #b7b571, #71b7b5
- Split-complementary: #96b771, #71b792
- Tetradic: #b79271, #73b771, #7196b7

## Colors that go with #b571b7

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

- **Medium Sea Green** #3cb371 [harmony, pool: complementary] — Medium Sea Green sits directly opposite #b571b7 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b571b7: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Taupe** #483c32 [pool] — Taupe is paired with #b571b7 in 3 real palettes, including Loom's brand system and Obsidian's brand system, as that palette's text colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/taupe
- **Cadet Blue** #5f9ea0 [harmony: split] — Cadet Blue is a split-complement of #b571b7: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/cadetblue
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #b571b7 in two real palettes: Obsidian's brand system and Ledger Dark, as the accent. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark). — https://brandsweets.com/colors/emerald-green
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #b571b7 in two real palettes: Obsidian's brand system and Lavender Haze, as the supporting colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/mediumslateblue
- **Midnight Blue** #191970 [pool] — Two real palettes: Lavender Haze and Plaid's brand system put Midnight Blue beside #b571b7, as the text colour against it. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/midnightblue
- **Olive Drab** #6b8e23 [harmony: split] — Olive Drab is a split-complement of #b571b7: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olivedrab

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

- On white (#ffffff): 3.49:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a755aa (4.64:1); AA: background → #212121 (4.61:1); AAA: text → #7f4181 (7.06:1)
- On black (#000000): 6.01:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #be82c0 (7.14:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b571b7-c19fbe-98cb62-2d1f28-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: "#b571b7" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.