Color

#515167

#515167
hex#515167
rgbrgb(81, 81, 103)
hslhsl(240, 12%, 36%)
oklchoklch(0.444 0.036 284.8)
Closest name: Freefall (#565266)Relative luminance 0.0861

Colors that go with #515167

Teal, Blue and Cadet 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.

Real palettes that use #515167

Tints & shades

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

Harmonies

Complementary

Open in tool →

#676751

#515c67 · #5c5167

#675151 · #516751

Split-complementary

Open in tool →

#675c51 · #5c6751

#67515c · #676751 · #51675c

Contrast

#515167 as textRatioAAAA largeAAAFix
Aaon white
7.71:1passpasspassPasses AAA — no fix needed.
Aaon black
2.72:1failfailfail
  • AA: use #737391 as the text (4.59:1)
  • AAA: use #9595ac as the text (7.17:1)
  • AA: or shift the background to #c7c7c7 (4.56:1)
  • AAA: or shift the background to #f5f5f5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #515167 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 #515167
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 #515167 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/515167-a19cc4-df994e-251f2d-e9edf1?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