Color

#635e68

#635e68
hex#635e68
rgbrgb(99, 94, 104)
hslhsl(270, 5%, 39%)
oklchoklch(0.49 0.017 308.1)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1166

Colors that go with #635e68

Charcoal, Champagne and Copper 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 →

#63685e

#5e5e68 · #685e68

#68635e · #5e6863

Split-complementary

Open in tool →

#68685e · #5e685e

#685e5e · #63685e · #5e6868

Contrast

#635e68 as textRatioAAAA largeAAAFix
Aaon white
6.3:1passpassfail
  • AAA: use #5c5760 as the text (7.03:1)
Aaon black
3.33:1failpassfail
  • AA: use #78727e as the text (4.51:1)
  • AAA: use #99949e as the text (7.08:1)
  • AA: or shift the background to #dbdbdb (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #635e68 as the background.

Brands using this color

Fonts for this mood

#635e68 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #635e68
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 #635e68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/635e68-a2beb0-c859d4-1f2d2b-eaf1e9?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