Color

#565f76

#565f76
hex#565f76
rgbrgb(86, 95, 118)
hslhsl(223, 16%, 40%)
oklchoklch(0.487 0.039 268.2)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1147

Colors that go with #565f76

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 →

#766d56

#566f76 · #5d5676

#76565f · #5f7656

Split-complementary

Open in tool →

#765d56 · #6f7656

#76566f · #766d56 · #56765d

Contrast

#565f76 as textRatioAAAA largeAAAFix
Aaon white
6.37:1passpassfail
  • AAA: use #4f586d as the text (7.12:1)
Aaon black
3.29:1failpassfail
  • AA: use #697491 as the text (4.51:1)
  • AAA: use #8c95ab as the text (7:1)
  • AA: or shift the background to #d9d9d9 (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 #565f76 as the background.

Brands using this color

mcpConnect your agent — build around #565f76
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 #565f76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/565f76-9ca3c4-df704e-211f2d-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