# #b138b7

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

## Values

- Hex: `#b138b7`
- RGB: rgb(177, 56, 183)
- HSL: hsl(297, 53%, 47%)
- OKLCH: oklch(0.566 0.212 325.9)
- Relative luminance: 0.1559
- Nearest named color: Amora Purple (#bb22aa, Δ 3.469) — https://brandsweets.com/colors/amora-purple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/b138b7

## Tints & shades

- Tints (toward white): #bf44c5, #c657cb, #cc6bd1, #d37ed7, #db96df, #e2a9e5, #e8bdeb, #efd0f1, #f6e4f7, #fcf7fd
- Shades (toward black): #a234a8, #8f2e94, #802985, #712475, #621f65, #4f1952, #401442, #311033, #1e0a1f, #0f0510

## Harmonies

- Complementary: #3fb738
- Analogous: #7138b7, #b7387e
- Triadic: #b7b138, #38b7b1
- Split-complementary: #7eb738, #38b771
- Tetradic: #b77138, #3fb738, #387eb7

## Colors that go with #b138b7

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 #b138b7 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 #b138b7: 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 #b138b7: 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 #b138b7: 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
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #b138b7: 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 #b138b7 in two real palettes: The Ordinary's brand system and Gemstone, as the supporting colour. Seen in: The Ordinary (https://brandsweets.com/colors/brands/theordinary-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Orange** #ffa500 [pool] — Two real palettes: Rippling's brand system and Sunset Boulevard put Orange beside #b138b7, 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
- **Indigo** #4b0082 [pool] — Indigo shows up next to #b138b7 in Taco Bell's brand system, as the lead colour. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/indigo

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

- On white (#ffffff): 5.1:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8f2e94 (7.03:1)
- On black (#000000): 4.12:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #bc3cc3 (4.57:1); AA: background → #f2f2f2 (4.55:1); AAA: text → #cf73d4 (7.06:1)

## 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/b138b7-c19fbe-9acb62-2d1f28-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: "#b138b7" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.