Color

#636974

#636974
hex#636974
rgbrgb(99, 105, 116)
hslhsl(219, 8%, 42%)
oklchoklch(0.519 0.019 262.7)
Closest name: Alley Cat (#656874)Relative luminance 0.1402

Colors that go with #636974

Charcoal, Champagne and Cobalt 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 #636974

Tints & shades

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

Harmonies

Complementary

Open in tool →

#746e63

#637174 · #656374

#746369 · #697463

Split-complementary

Open in tool →

#746563 · #717463

#746371 · #746e63 · #637465

Contrast

#636974 as textRatioAAAA largeAAAFix
Aaon white
5.52:1passpassfail
  • AAA: use #525760 as the text (7.26:1)
Aaon black
3.8:1failpassfail
  • AA: use #6e7581 as the text (4.52:1)
  • AAA: use #9197a1 as the text (7.15:1)
  • AA: or shift the background to #e8e8e8 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #636974 as the background.

Brands using this color

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

Fonts for this mood

#636974 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #636974
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 #636974 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/636974-9ca5c4-df664e-211f2d-e9f0f1?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