Color

#508681

#508681
hex#508681
rgbrgb(80, 134, 129)
hslhsl(174, 25%, 42%)
oklchoklch(0.581 0.058 188.2)
Closest name: Arctic (#648589)Relative luminance 0.2034

Colors that go with #508681

Charcoal, Copper 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#865056

#508666 · #507086

#815086 · #868150

Split-complementary

Open in tool →

#865070 · #866650

#665086 · #865056 · #708650

Contrast

#508681 as textRatioAAAA largeAAAFix
Aaon white
4.14:1failpassfail
  • AA: use #4b7c77 as the text (4.72:1)
  • AAA: use #375c59 as the text (7.4:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.07:1passpassfail
  • AAA: use #63a19b 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 #508681 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #508681
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 #508681 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/508681-a2bebe-d459a1-1f292d-e9f1ed?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