# #815591

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

## Values

- Hex: `#815591`
- RGB: rgb(129, 85, 145)
- HSL: hsl(284, 26%, 45%)
- OKLCH: oklch(0.521 0.104 316.7)
- Relative luminance: 0.1321
- Nearest named color: Muted Purple (#805b87, Δ 2.54) — https://brandsweets.com/colors/muted-purple
- Moods: cool, muted
- Page: https://brandsweets.com/colors/815591

## Tints & shades

- Tints (toward white): #8f5ea1, #9c72ac, #a882b5, #b392bf, #c0a5ca, #cbb5d4, #d7c5dd, #e2d5e6, #efe9f2, #fbf9fb
- Shades (toward black): #754d84, #6a4677, #5e3e6a, #53375d, #472f50, #392640, #2e1e33, #221727, #170f1a, #0b080d

## Harmonies

- Complementary: #659155
- Analogous: #635591, #915583
- Triadic: #918155, #559181
- Split-complementary: #839155, #559163
- Tetradic: #916355, #659155, #558391

## Colors that go with #815591

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 #815591 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), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #815591: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Harbour (https://brandsweets.com/palettes/cool#harbour), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #815591: 4 real palettes, including Campus and Linkedin's brand system, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), HP (https://brandsweets.com/colors/brands/hp-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Marvel's brand system and Lufthansa's brand system put Midnight Blue beside #815591, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), FIFA (https://brandsweets.com/colors/brands/fifa-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #815591 in 4 real palettes, including Stripe's brand system and Slate Workspace, as the accent. Seen in: Stripe (https://brandsweets.com/colors/brands/stripe), Slate Workspace (https://brandsweets.com/palettes/minimal#slate-workspace), GitHub (https://brandsweets.com/colors/brands/github), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #815591 in 7 real palettes, including Superhuman's brand system and Dusk, as the lead colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Dusk (https://brandsweets.com/palettes/cool#dusk), GitHub (https://brandsweets.com/colors/brands/github), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #815591: 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
- **Orange** #ffa500 [pool] — 3 real palettes, including Campus and Graphite put Orange beside #815591, as the accent. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Graphite (https://brandsweets.com/palettes/technical#graphite), Rippling (https://brandsweets.com/colors/brands/rippling-com). — https://brandsweets.com/colors/orange

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

- On white (#ffffff): 5.77:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #704a7d (7.08:1)
- On black (#000000): 3.64:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9365a4 (4.64:1); AA: background → #e6e6e6 (4.62:1); AAA: text → #ae8bbb (7.21:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/815591-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: "#815591" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.