Color

#635d69

#635d69
hex#635d69
rgbrgb(99, 93, 105)
hslhsl(270, 6%, 39%)
oklchoklch(0.488 0.02 308)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.115

Colors that go with #635d69

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 →

#63695d

#5d5d69 · #695d69

#69635d · #5d6963

Split-complementary

Open in tool →

#69695d · #5d695d

#695d5d · #63695d · #5d6969

Contrast

#635d69 as textRatioAAAA largeAAAFix
Aaon white
6.36:1passpassfail
  • AAA: use #5c5661 as the text (7.1:1)
Aaon black
3.3:1failpassfail
  • AA: use #7a7382 as the text (4.6:1)
  • AAA: use #99939f as the text (7.03:1)
  • AA: or shift the background to #d9d9d9 (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 #635d69 as the background.

Brands using this color

Fonts for this mood

#635d69 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #635d69
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 #635d69 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/635d69-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