Color

#565b71

#565b71
hex#565b71
rgbrgb(86, 91, 113)
hslhsl(229, 14%, 39%)
oklchoklch(0.475 0.036 274.9)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1065

Colors that go with #565b71

Steel Blue, Champagne and Copper 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 →

#716c56

#566971 · #5e5671

#71565b · #5b7156

Split-complementary

Open in tool →

#715e56 · #697156

#715669 · #716c56 · #56715e

Contrast

#565b71 as textRatioAAAA largeAAAFix
Aaon white
6.71:1passpassfail
  • AAA: use #53586e as the text (7.03:1)
Aaon black
3.13:1failpassfail
  • AA: use #6e7491 as the text (4.57:1)
  • AAA: use #9196ac as the text (7.16:1)
  • AA: or shift the background to #d4d4d4 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #565b71 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 #565b71
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 #565b71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/565b71-9c9fc4-df7e4e-231f2d-e9eef1?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