Color

#658180

#658180
hex#658180
rgbrgb(101, 129, 128)
hslhsl(178, 12%, 45%)
oklchoklch(0.581 0.032 193.6)
Closest name: Blue Blood (#6b7f81)Relative luminance 0.2003

Colors that go with #658180

Charcoal, Copper 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.

Real palettes that use #658180

Tints & shades

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

Harmonies

Complementary

Open in tool →

#816566

#658172 · #657481

#806581 · #818065

Split-complementary

Open in tool →

#816574 · #817265

#726581 · #816566 · #748165

Contrast

#658180 as textRatioAAAA largeAAAFix
Aaon white
4.2:1failpassfail
  • AA: use #607b7a as the text (4.55:1)
  • AAA: use #485b5b as the text (7.18:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #819c9b as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #658180 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 #658180
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 #658180 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/658180-a2bcbe-d45999-1f282d-e9f1ed?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