Color

#55838b

#55838b
hex#55838b
rgbrgb(85, 131, 139)
hslhsl(189, 24%, 44%)
oklchoklch(0.58 0.052 209.6)
Closest name: Arctic (#648589)Relative luminance 0.2003

Colors that go with #55838b

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 →

#8b5d55

#558b78 · #55688b

#8b5583 · #838b55

Split-complementary

Open in tool →

#8b5568 · #8b7855

#78558b · #8b5d55 · #688b55

Contrast

#55838b as textRatioAAAA largeAAAFix
Aaon white
4.2:1failpassfail
  • AA: use #517d85 as the text (4.54:1)
  • AAA: use #3c5c62 as the text (7.24:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #6e9da6 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 #55838b 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 #55838b
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 #55838b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55838b-a2b7be-df4e7e-1f252d-e9f1ee?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