Color

#57575c

#57575c
hex#57575c
rgbrgb(87, 87, 92)
hslhsl(240, 3%, 35%)
oklchoklch(0.459 0.008 286.1)
Closest name: Blackwater (#545663)Relative luminance 0.0962

Colors that go with #57575c

Blush Pink, Cadet Blue and Champagne 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 →

#5c5c57

#57595c · #59575c

#5c5757 · #575c57

Split-complementary

Open in tool →

#5c5957 · #595c57

#5c5759 · #5c5c57 · #575c59

Contrast

#57575c as textRatioAAAA largeAAAFix
Aaon white
7.18:1passpasspassPasses AAA — no fix needed.
Aaon black
2.92:1failfailfail
  • AA: use #74747b as the text (4.53:1)
  • AAA: use #96969c as the text (7.14:1)
  • AA: or shift the background to #cfcfcf (4.61:1)
  • AAA: or shift the background to #fcfcfc (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 #57575c 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

#57575c reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #57575c
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 #57575c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57575c-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