Color

#558b83

#558b83
hex#558b83
rgbrgb(85, 139, 131)
hslhsl(171, 24%, 44%)
oklchoklch(0.597 0.059 183.9)
Closest name: Highlands (#449084)Relative luminance 0.2204

Colors that go with #558b83

Charcoal, Copper and Blush Pink 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 #558b83

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8b555d

#558b68 · #55788b

#83558b · #8b8355

Split-complementary

Open in tool →

#8b5578 · #8b6855

#68558b · #8b555d · #788b55

Contrast

#558b83 as textRatioAAAA largeAAAFix
Aaon white
3.88:1failpassfail
  • AA: use #4e7e77 as the text (4.59:1)
  • AAA: use #3a5f59 as the text (7.09:1)
  • AA: or shift the background to #171717 (4.62:1)
Aaon black
5.41:1passpassfail
  • AAA: use #64a097 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #558b83 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 #558b83
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 #558b83 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/558b83-a2bebd-d459a7-1f292d-e9f1ec?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