Color

#566176

#566176
hex#566176
rgbrgb(86, 97, 118)
hslhsl(219, 16%, 40%)
oklchoklch(0.491 0.036 263.3)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1184

Colors that go with #566176

Charcoal, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#766b56

#567176 · #5b5676

#765661 · #617656

Split-complementary

Open in tool →

#765b56 · #717656

#765671 · #766b56 · #56765b

Contrast

#566176 as textRatioAAAA largeAAAFix
Aaon white
6.24:1passpassfail
  • AAA: use #4d576a as the text (7.27:1)
Aaon black
3.37:1failpassfail
  • AA: use #67758e as the text (4.51:1)
  • AAA: use #8c97ab as the text (7.13:1)
  • AA: or shift the background to #dbdbdb (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #566176 as the background.

Brands using this color

mcpConnect your agent — build around #566176
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #566176 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/566176-9ca5c4-df664e-211f2d-e9f0f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md