# #905ca3

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

## Values

- Hex: `#905ca3`
- RGB: rgb(144, 92, 163)
- HSL: hsl(284, 28%, 50%)
- OKLCH: oklch(0.559 0.121 316.6)
- Relative luminance: 0.1623
- Nearest named color: Lusty Lavender (#8d5eb7, Δ 3.116) — https://brandsweets.com/colors/lusty-lavender
- Moods: cool, muted
- Page: https://brandsweets.com/colors/905ca3

## Tints & shades

- Tints (toward white): #9b6cac, #a67cb6, #af89bd, #ba9ac6, #c5aacf, #d0bad8, #dccbe2, #e4d8e9, #efe8f2, #fbf8fb
- Shades (toward black): #825393, #764b86, #684276, #5c3b68, #4e3258, #3f2848, #34213b, #25182a, #1a111d, #0c070d

## Harmonies

- Complementary: #6fa35c
- Analogous: #6c5ca3, #a35c93
- Triadic: #a3905c, #5ca390
- Split-complementary: #93a35c, #5ca36c
- Tetradic: #a36c5c, #6fa35c, #5c93a3

## Colors that go with #905ca3

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 #905ca3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Campus (https://brandsweets.com/palettes/friendly#campus), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #905ca3 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
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #905ca3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Clinic (https://brandsweets.com/palettes/clean#clinic). — https://brandsweets.com/colors/teal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #905ca3: 3 real palettes, including Linkedin's brand system and Campus, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Campus (https://brandsweets.com/palettes/friendly#campus), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Marvel's brand system and Plaid's brand system put Midnight Blue beside #905ca3, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 3 real palettes, including Campus and Graphite put Orange beside #905ca3, as the accent. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Graphite (https://brandsweets.com/palettes/technical#graphite), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard). — https://brandsweets.com/colors/orange
- **Tomato** #ff6347 [pool] — 3 real palettes, including GitLab's brand system and Sunset Boulevard put Tomato beside #905ca3, as the lead colour. Seen in: GitLab (https://brandsweets.com/colors/brands/gitlab), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/tomato
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #905ca3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive

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

- On white (#ffffff): 4.95:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #70487f (7.19:1)
- On black (#000000): 4.25:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9562a7 (4.58:1); AA: background → #f5f5f5 (4.54:1); AAA: text → #af89bd (7.14:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/905ca3-bc9fc1-b1cb62-2d1f2b-ebe9f1?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: "#905ca3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.