Color

#507f91

#507f91
hex#507f91
rgbrgb(80, 127, 145)
hslhsl(197, 29%, 44%)
oklchoklch(0.57 0.058 224.3)
Closest name: Beach View (#4f7694)Relative luminance 0.1893

Colors that go with #507f91

Charcoal, Copper 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 #507f91

Tints & shades

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

Harmonies

Complementary

Open in tool →

#916250

#509183 · #505e91

#91507e · #7e9150

Split-complementary

Open in tool →

#91505e · #918350

#835091 · #916250 · #5e9150

Contrast

#507f91 as textRatioAAAA largeAAAFix
Aaon white
4.39:1failpassfail
  • AA: use #4e7b8d as the text (4.62:1)
  • AAA: use #3a5c69 as the text (7.2:1)
  • AA: or shift the background to #0a0a0a (4.51:1)
Aaon black
4.79:1passpassfail
  • AAA: use #6e9daf as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #507f91 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 #507f91
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 #507f91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/507f91-9cb4c4-df4e6b-1f232d-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