Color

#57787f

#57787f
hex#57787f
rgbrgb(87, 120, 127)
hslhsl(191, 19%, 42%)
oklchoklch(0.55 0.039 212.2)
Closest name: Batman (#656e72)Relative luminance 0.1699

Colors that go with #57787f

Charcoal, Sienna and Amber 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.

Real palettes that use #57787f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f5e57

#577f73 · #57647f

#7f5778 · #787f57

Split-complementary

Open in tool →

#7f5764 · #7f7357

#73577f · #7f5e57 · #647f57

Contrast

#57787f as textRatioAAAA largeAAAFix
Aaon white
4.77:1passpassfail
  • AAA: use #425b61 as the text (7.24:1)
Aaon black
4.4:1failpassfail
  • AA: use #597b82 as the text (4.58:1)
  • AAA: use #799ca4 as the text (7.1:1)
  • AA: or shift the background to #fafafa (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #57787f as the background.

Brands using this color

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

mcpConnect your agent — build around #57787f
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 #57787f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57787f-a2b6be-df4e7a-1f252d-e9f1ef?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