Color

#508b7b

#508b7b
hex#508b7b
rgbrgb(80, 139, 123)
hslhsl(164, 27%, 43%)
oklchoklch(0.592 0.067 174.5)
Closest name: Highlands (#449084)Relative luminance 0.216

Colors that go with #508b7b

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.

Real palettes that use #508b7b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8b5060

#508b5e · #507d8b

#7b508b · #8b7b50

Split-complementary

Open in tool →

#8b507d · #8b5e50

#5e508b · #8b5060 · #7d8b50

Contrast

#508b7b as textRatioAAAA largeAAAFix
Aaon white
3.95:1failpassfail
  • AA: use #497e70 as the text (4.67:1)
  • AAA: use #365e53 as the text (7.28:1)
  • AA: or shift the background to #171717 (4.54:1)
Aaon black
5.32:1passpassfail
  • AAA: use #5da290 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #508b7b 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 #508b7b
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 #508b7b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/508b7b-a2beba-d459b5-1f2b2d-e9f1eb?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