# #563b68

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

## Values

- Hex: `#563b68`
- RGB: rgb(86, 59, 104)
- HSL: hsl(276, 28%, 32%)
- OKLCH: oklch(0.402 0.08 310.8)
- Relative luminance: 0.0611
- Nearest named color: Long Passionate Night (#5b365e, Δ 2.062) — https://brandsweets.com/colors/long-passionate-night
- Moods: cool, muted
- Page: https://brandsweets.com/colors/563b68

## Tints & shades

- Tints (toward white): #69487f, #795393, #8b62a7, #9a76b2, #ab8dbf, #bca4cc, #cab7d7, #dbcee3, #e9e2ee, #faf8fb
- Shades (toward black): #4e355f, #463055, #412c4e, #392745, #30213b, #281c31, #201627, #1b1221, #130d17, #0b070d

## Harmonies

- Complementary: #4d683b
- Analogous: #3f3b68, #683b64
- Triadic: #68563b, #3b6856
- Split-complementary: #64683b, #3b683f
- Tetradic: #683f3b, #4d683b, #3b6468

## Colors that go with #563b68

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 #563b68, 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
- **Copper** #b87333 [pool] — Designers have shipped Copper with #563b68: 4 real palettes, including Bramble and Dusk, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Dusk (https://brandsweets.com/palettes/cool#dusk), Notion (https://brandsweets.com/colors/brands/notion), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #563b68 in 8 real palettes, including Codecademy's brand system and Wells Fargo's brand system, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #563b68: 7 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 #563b68, 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 #563b68 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), HubSpot (https://brandsweets.com/colors/brands/hubspot-com). — https://brandsweets.com/colors/orangered
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #563b68: 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: split] — Teal is a split-complement of #563b68: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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): 9.45:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.22:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8e66a9 (4.62:1); AA: background → #b3b3b3 (4.51:1); AAA: text → #ab8dbf (7.29:1); AAA: background → #dedede (7.03:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/563b68-b99cc4-bfcb62-2d1f2d-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: "#563b68" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.