Color

#507277

#507277
hex#507277
rgbrgb(80, 114, 119)
hslhsl(188, 20%, 39%)
oklchoklch(0.528 0.04 207.4)
Closest name: Batman (#656e72)Relative luminance 0.1507

Colors that go with #507277

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 #507277

Tints & shades

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

Harmonies

Complementary

Open in tool →

#775550

#507769 · #505e77

#775072 · #727750

Split-complementary

Open in tool →

#77505e · #776950

#695077 · #775550 · #5e7750

Contrast

#507277 as textRatioAAAA largeAAAFix
Aaon white
5.23:1passpassfail
  • AAA: use #3f5b5f as the text (7.31:1)
Aaon black
4.01:1failpassfail
  • AA: use #567b81 as the text (4.55:1)
  • AAA: use #759da3 as the text (7.11:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #507277 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 #507277
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 #507277 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/507277-a2b7be-df4e81-1f252d-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