Color

#537679

#537679
hex#537679
rgbrgb(83, 118, 121)
hslhsl(185, 19%, 40%)
oklchoklch(0.54 0.04 202.7)
Closest name: Batman (#656e72)Relative luminance 0.1618

Colors that go with #537679

Charcoal, Sienna 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.

Real palettes that use #537679

Tints & shades

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

Harmonies

Complementary

Open in tool →

#795653

#537969 · #536379

#795376 · #767953

Split-complementary

Open in tool →

#795363 · #796953

#695379 · #795653 · #637953

Contrast

#537679 as textRatioAAAA largeAAAFix
Aaon white
4.96:1passpassfail
  • AAA: use #405c5e as the text (7.22:1)
Aaon black
4.24:1failpassfail
  • AA: use #577c7f as the text (4.59:1)
  • AAA: use #769ea2 as the text (7.18:1)
  • AA: or shift the background to #f5f5f5 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #537679 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 #537679
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 #537679 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/537679-a2b8be-df4e88-1f262d-e9f1ee?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