Color

#5b5964

#5b5964
hex#5b5964
rgbrgb(91, 89, 100)
hslhsl(251, 6%, 37%)
oklchoklch(0.47 0.018 294)
Closest name: Fedora (#625665)Relative luminance 0.1029

Colors that go with #5b5964

Cadet Blue, 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 →

#626459

#595c64 · #605964

#645b59 · #59645b

Split-complementary

Open in tool →

#646059 · #5c6459

#64595c · #626459 · #596460

Contrast

#5b5964 as textRatioAAAA largeAAAFix
Aaon white
6.87:1passpassfail
  • AAA: use #585661 as the text (7.2:1)
Aaon black
3.06:1failpassfail
  • AA: use #767382 as the text (4.54:1)
  • AAA: use #9896a2 as the text (7.22:1)
  • AA: or shift the background to #d4d4d4 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b5964 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

#5b5964 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b5964
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 #5b5964 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b5964-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