Color

#65818b

#65818b
hex#65818b
rgbrgb(101, 129, 139)
hslhsl(196, 16%, 47%)
oklchoklch(0.585 0.036 221.7)
Closest name: Citadel (#6a7f8b)Relative luminance 0.2033

Colors that go with #65818b

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8b6f65

#658b82 · #656e8b

#8b6581 · #818b65

Split-complementary

Open in tool →

#8b656e · #8b8265

#82658b · #8b6f65 · #6e8b65

Contrast

#65818b as textRatioAAAA largeAAAFix
Aaon white
4.15:1failpassfail
  • AA: use #5e7982 as the text (4.63:1)
  • AAA: use #475a62 as the text (7.22:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.07:1passpassfail
  • AAA: use #809aa3 as the text (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 #65818b 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 #65818b
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 #65818b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/65818b-9cb5c4-df4e6e-1f232d-e9f1ef?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