Color

#575257

#575257
hex#575257
rgbrgb(87, 82, 87)
hslhsl(300, 3%, 33%)
oklchoklch(0.445 0.01 325.7)
Closest name: Blackwater (#545663)Relative luminance 0.0875

Tints & shades

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

Harmonies

Complementary

Open in tool →

#525752

#545257 · #575254

#575752 · #525757

Split-complementary

Open in tool →

#545752 · #525754

#575452 · #525752 · #525457

Contrast

#575257 as textRatioAAAA largeAAAFix
Aaon white
7.64:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #7b747b as the text (4.63:1)
  • AAA: use #9a939a as the text (7.01:1)
  • AA: or shift the background to #c7c7c7 (4.52:1)
  • AAA: or shift the background to #f5f5f5 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #575257 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#575257 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #575257
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #575257 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/575257-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