# #556772

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

## Values

- Hex: `#556772`
- RGB: rgb(85, 103, 114)
- HSL: hsl(203, 15%, 39%)
- OKLCH: oklch(0.503 0.028 234.9)
- Relative luminance: 0.1285
- Nearest named color: Concrete Landscape (#5c606e, Δ 2.12) — https://brandsweets.com/colors/concrete-landscape
- Moods: cool, muted
- Page: https://brandsweets.com/colors/556772

## Tints & shades

- Tints (toward white): #627784, #6f8695, #8195a2, #92a4af, #a4b3bc, #b3bfc7, #c4ced4, #d6dde1, #e8ebee, #f9fafb
- Shades (toward black): #4e5f6a, #45545e, #3f4d55, #364249, #303a41, #273035, #21282c, #181d20, #111517, #090b0c

## Harmonies

- Complementary: #726055
- Analogous: #55726f, #555872
- Triadic: #725567, #677255
- Split-complementary: #725558, #726f55
- Tetradic: #6f5572, #726055, #587255

## Colors that go with #556772

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 that reads cleanly against #556772 without the hard edge of pure #000. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Harbour (https://brandsweets.com/palettes/cool#harbour), Gusto (https://brandsweets.com/colors/brands/gusto-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com). — https://brandsweets.com/colors/charcoal
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #556772, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #556772: 4 real palettes, including Ink & Paper and Fintech Trust, as the accent. Seen in: Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Intel (https://brandsweets.com/colors/brands/intel-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #556772: 5 real palettes, including Desert Road and Dusk, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Dusk (https://brandsweets.com/palettes/cool#dusk), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #556772 in 8 real palettes, including Gemstone and Retro Pop, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #556772: 11 real palettes, including Campus and The New York Times's brand system, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), HP (https://brandsweets.com/colors/brands/hp-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #556772: 5 real palettes, including Newsprint and Fireside, as the lead colour. Seen in: Newsprint (https://brandsweets.com/palettes/editorial#newsprint), Fireside (https://brandsweets.com/palettes/dark#fireside), Wendy's (https://brandsweets.com/colors/brands/wendys-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/firebrick
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #556772 in 5 real palettes, including Mid-Century and Open House, as the accent. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Open House (https://brandsweets.com/palettes/clean#open-house), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Fireside (https://brandsweets.com/palettes/dark#fireside). — https://brandsweets.com/colors/goldenrod

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

- On white (#ffffff): 5.88:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #4a5a64 (7.15:1)
- On black (#000000): 3.57:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #647987 (4.63:1); AA: background → #e3e3e3 (4.58:1); AAA: text → #8498a4 (7.01:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/556772-9cb0c4-df4e5d-1f222d-e9f1f0?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: "#556772" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.