Color

#565d71

#565d71
hex#565d71
rgbrgb(86, 93, 113)
hslhsl(224, 14%, 39%)
oklchoklch(0.48 0.033 270)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.11

Colors that go with #565d71

Charcoal, Steel Blue and Champagne 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 →

#716a56

#566b71 · #5c5671

#71565d · #5d7156

Split-complementary

Open in tool →

#715c56 · #6b7156

#71566b · #716a56 · #56715c

Contrast

#565d71 as textRatioAAAA largeAAAFix
Aaon white
6.56:1passpassfail
  • AAA: use #51586c as the text (7.09:1)
Aaon black
3.2:1failpassfail
  • AA: use #6b758e as the text (4.56:1)
  • AAA: use #8e95a9 as the text (7.02:1)
  • AA: or shift the background to #d6d6d6 (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 #565d71 as the background.

Brands using this color

mcpConnect your agent — build around #565d71
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 #565d71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/565d71-9ca2c4-df724e-221f2d-e9eff1?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