# #9b72bb

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

## Values

- Hex: `#9b72bb`
- RGB: rgb(155, 114, 187)
- HSL: hsl(274, 35%, 59%)
- OKLCH: oklch(0.621 0.115 309.2)
- Relative luminance: 0.2259
- Nearest named color: Crown Jewels (#946dad, Δ 2.596) — https://brandsweets.com/colors/crown-jewels
- Moods: cool, modern
- Page: https://brandsweets.com/colors/9b72bb

## Tints & shades

- Tints (toward white): #a580c2, #af8dc8, #b99bcf, #c2a9d6, #ccb7dc, #d3c1e1, #ddcfe8, #e7ddee, #f0eaf5, #faf8fc
- Shades (toward black): #8f61b3, #8050a5, #734794, #633d7f, #55356e, #452b5a, #382348, #281934, #1b1122, #0b070e

## Harmonies

- Complementary: #92bb72
- Analogous: #7772bb, #bb72b6
- Triadic: #bb9b72, #72bb9b
- Split-complementary: #b6bb72, #72bb77
- Tetradic: #bb7772, #92bb72, #72b6bb

## Colors that go with #9b72bb

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 #9b72bb: 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
- **Taupe** #483c32 [pool] — Taupe is paired with #9b72bb in 6 real palettes, including Dusk and Zed's brand system, as the text colour against it. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Zed (https://brandsweets.com/colors/brands/zed-dev), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Loom (https://brandsweets.com/colors/brands/loom-com). — https://brandsweets.com/colors/taupe
- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #9b72bb 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/olivedrab
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #9b72bb in 3 real palettes, including Mastodon hosted on mastodon.social's brand system and Linear's brand system, as the lead colour. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Linear (https://brandsweets.com/colors/brands/linear), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumslateblue
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Plaid's brand system and Marvel's brand system put Midnight Blue beside #9b72bb, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #9b72bb in 3 real palettes, including Loom's brand system and Slate Workspace, as the lead colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Slate Workspace (https://brandsweets.com/palettes/minimal#slate-workspace), Sephora (https://brandsweets.com/colors/brands/sephora-com). — https://brandsweets.com/colors/royalblue
- **Copper** #b87333 [harmony, pool: triadic] — Copper completes a triad with #9b72bb — 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 #9b72bb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/cadetblue

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

- On white (#ffffff): 3.81:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8f61b3 (4.64:1); AA: background → #1a1a1a (4.57:1); AAA: text → #704691 (7.06:1)
- On black (#000000): 5.52:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ac8ac7 (7.21:1)

## 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/9b72bb-b79cc4-c2cb62-2d1f2d-eae9f1?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: "#9b72bb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.