Color

#66868f

#66868f
hex#66868f
rgbrgb(102, 134, 143)
hslhsl(193, 17%, 48%)
oklchoklch(0.599 0.039 216.9)
Closest name: Arctic (#648589)Relative luminance 0.2186

Colors that go with #66868f

Charcoal, Copper and Blush Pink 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 →

#8f6f66

#668f83 · #66718f

#8f6686 · #868f66

Split-complementary

Open in tool →

#8f6671 · #8f8366

#83668f · #8f6f66 · #718f66

Contrast

#66868f as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #5d7b83 as the text (4.54:1)
  • AAA: use #465c62 as the text (7.08:1)
  • AA: or shift the background to #171717 (4.59:1)
Aaon black
5.37:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #66868f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #66868f
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 #66868f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66868f-a2b5be-df4e75-1f242d-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