Color

#558282

#558282
hex#558282
rgbrgb(85, 130, 130)
hslhsl(180, 21%, 42%)
oklchoklch(0.574 0.049 195.9)
Closest name: Arctic (#648589)Relative luminance 0.1951

Colors that go with #558282

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 →

#825555

#55826b · #556b82

#825582 · #828255

Split-complementary

Open in tool →

#82556b · #826b55

#6b5582 · #825555 · #6b8255

Contrast

#558282 as textRatioAAAA largeAAAFix
Aaon white
4.28:1failpassfail
  • AA: use #517b7b as the text (4.7:1)
  • AAA: use #3c5d5d as the text (7.2:1)
  • AA: or shift the background to #0d0d0d (4.54:1)
Aaon black
4.9:1passpassfail
  • AAA: use #6b9e9e as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #558282 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 #558282
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 #558282 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/558282-a2bbbe-d45994-1f272d-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