Color

#508291

#508291
hex#508291
rgbrgb(80, 130, 145)
hslhsl(194, 29%, 44%)
oklchoklch(0.577 0.058 219)
Closest name: Arctic (#648589)Relative luminance 0.1972

Colors that go with #508291

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#915f50

#50917f · #506191

#915082 · #829150

Split-complementary

Open in tool →

#915061 · #917f50

#7f5091 · #915f50 · #619150

Contrast

#508291 as textRatioAAAA largeAAAFix
Aaon white
4.25:1failpassfail
  • AA: use #4c7c8a as the text (4.61:1)
  • AAA: use #3a5e69 as the text (7.04:1)
  • AA: or shift the background to #0f0f0f (4.51:1)
Aaon black
4.94:1passpassfail
  • AAA: use #6b9eae as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #508291 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 #508291
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 #508291 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/508291-9cb6c4-df4e72-1f242d-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