Color

#57495f

#57495f
hex#57495f
rgbrgb(87, 73, 95)
hslhsl(278, 13%, 33%)
oklchoklch(0.428 0.04 313.2)
Closest name: Black Magic (#4f4554)Relative luminance 0.0762

Colors that go with #57495f

Sea Green, Copper and Crimson 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 →

#515f49

#4c495f · #5f495c

#5f5749 · #495f57

Split-complementary

Open in tool →

#5c5f49 · #495f4c

#5f4c49 · #515f49 · #495c5f

Contrast

#57495f as textRatioAAAA largeAAAFix
Aaon white
8.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #816d8d as the text (4.51:1)
  • AAA: use #a192ab as the text (7.22:1)
  • AA: or shift the background to #bfbfbf (4.53:1)
  • AAA: or shift the background to #ededed (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #57495f 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 #57495f
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 #57495f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57495f-ba9cc4-bbcb62-2d1f2c-ebe9f1?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