Color

#5b5a68

#5b5a68
hex#5b5a68
rgbrgb(91, 90, 104)
hslhsl(244, 7%, 38%)
oklchoklch(0.474 0.022 288.8)
Closest name: Fedora (#625665)Relative luminance 0.1054

Colors that go with #5b5a68

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 →

#67685a

#5a6068 · #625a68

#685b5a · #5a685b

Split-complementary

Open in tool →

#68625a · #60685a

#685a60 · #67685a · #5a6862

Contrast

#5b5a68 as textRatioAAAA largeAAAFix
Aaon white
6.76:1passpassfail
  • AAA: use #565562 as the text (7.31:1)
Aaon black
3.11:1failpassfail
  • AA: use #757486 as the text (4.6:1)
  • AAA: use #9695a3 as the text (7.12:1)
  • AA: or shift the background to #d4d4d4 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b5a68 as the background.

Brands using this color

Fonts for this mood

#5b5a68 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b5a68
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 #5b5a68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b5a68-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