# #523a69

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

## Values

- Hex: `#523a69`
- RGB: rgb(82, 58, 105)
- HSL: hsl(271, 29%, 32%)
- OKLCH: oklch(0.396 0.082 306.6)
- Relative luminance: 0.0584
- Nearest named color: Long Passionate Night (#5b365e, Δ 2.508) — https://brandsweets.com/colors/long-passionate-night
- Moods: cool, muted
- Page: https://brandsweets.com/colors/523a69

## Tints & shades

- Tints (toward white): #644780, #745194, #8661a8, #9575b3, #a78cc0, #b8a3cc, #c7b7d7, #d9cee4, #e8e1ef, #faf8fb
- Shades (toward black): #4b355f, #432f56, #3e2b4f, #362645, #2e213b, #271b31, #1f1627, #1a1221, #120d17, #0a070d

## Harmonies

- Complementary: #51693a
- Analogous: #3b3a69, #693a68
- Triadic: #69523a, #3a6952
- Split-complementary: #68693a, #3a693b
- Tetradic: #693b3a, #51693a, #3a6869

## Colors that go with #523a69

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

- **Blue** #0000ff [pool] — 5 real palettes, including Alaska Airlines's brand system and Dunkin''s brand system put Blue beside #523a69, as the accent. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #523a69 in 8 real palettes, including Codecademy's brand system and Marvel's brand system, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #523a69: 8 real palettes, including Hinge's brand system and HP's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), HP (https://brandsweets.com/colors/brands/hp-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Microsoft's brand system and First Snow put Midnight Blue beside #523a69, as the accent. Seen in: Microsoft (https://brandsweets.com/colors/brands/microsoft-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/midnightblue
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #523a69 in 5 real palettes, including Tumblr's brand system and Audi's brand system, as the accent. Seen in: Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Audi (https://brandsweets.com/colors/brands/audi-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Tide (https://brandsweets.com/colors/brands/tide-com). — https://brandsweets.com/colors/orangered
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #523a69: 6 real palettes, including First Snow and Macaron, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #523a69: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #523a69 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal

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

- On white (#ffffff): 9.69:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.17:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8b68ac (4.67:1); AA: background → #b3b3b3 (4.62:1); AAA: text → #a78cc0 (7.16:1); AAA: background → #dedede (7.2:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/523a69-b59cc4-c7cb62-2c1f2d-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: "#523a69" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.