# #b173ba

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

## Values

- Hex: `#b173ba`
- RGB: rgb(177, 115, 186)
- HSL: hsl(292, 34%, 59%)
- OKLCH: oklch(0.646 0.123 322.3)
- Relative luminance: 0.2515
- Nearest named color: Lavendless (#b86fc2, Δ 2.026) — https://brandsweets.com/colors/lavendless
- Moods: cool, muted
- Page: https://brandsweets.com/colors/b173ba

## Tints & shades

- Tints (toward white): #b881c1, #c08ec7, #c79cce, #cfaad5, #d7b7dc, #ddc1e1, #e4cfe7, #ecddee, #f4eaf5, #fbf8fc
- Shades (toward black): #a762b2, #9951a4, #894893, #763e7e, #66366d, #532c59, #432348, #301933, #201122, #0d070e

## Harmonies

- Complementary: #7cba73
- Analogous: #8d73ba, #ba73a0
- Triadic: #bab173, #73bab1
- Split-complementary: #a0ba73, #73ba8d
- Tetradic: #ba8d73, #7cba73, #73a0ba

## Colors that go with #b173ba

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b173ba: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/charcoal
- **Medium Sea Green** #3cb371 [harmony: complementary] — Medium Sea Green sits directly opposite #b173ba 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/mediumseagreen
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #b173ba in 3 real palettes, including 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), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/mediumslateblue
- **Taupe** #483c32 [pool] — Taupe is paired with #b173ba 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
- **Copper** #b87333 [harmony, pool: triadic] — Copper completes a triad with #b173ba — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Cadet Blue** #5f9ea0 [harmony: split] — Cadet Blue is a split-complement of #b173ba: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/cadetblue
- **Amber** #ffbf00 [pool] — Amber is paired with #b173ba in two real palettes: Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #b173ba: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod

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

- On white (#ffffff): 3.48:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a35bae (4.5:1); AA: background → #212121 (4.62:1); AAA: text → #7c4285 (7.06:1)
- On black (#000000): 6.03:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ba84c2 (7.17:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b173ba-c09fc1-a3cb62-2d1f29-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: "#b173ba" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.