Color

#566e86

#566e86
hex#566e86
rgbrgb(86, 110, 134)
hslhsl(210, 22%, 43%)
oklchoklch(0.528 0.047 248.7)
Closest name: Ashen Whisper (#646b7a)Relative luminance 0.1485

Colors that go with #566e86

Charcoal, Sienna and Amber 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.

Real palettes that use #566e86

Tints & shades

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

Harmonies

Complementary

Open in tool →

#866e56

#568686 · #565686

#86566e · #6e8656

Split-complementary

Open in tool →

#865656 · #868656

#865686 · #866e56 · #568656

Contrast

#566e86 as textRatioAAAA largeAAAFix
Aaon white
5.29:1passpassfail
  • AAA: use #46596d as the text (7.22:1)
Aaon black
3.97:1failpassfail
  • AA: use #5d7892 as the text (4.57:1)
  • AAA: use #8399af as the text (7.14:1)
  • AA: or shift the background to #ededed (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #566e86 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #566e86
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 #566e86 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/566e86-9cabc4-df514e-1f202d-e9f1f1?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