Color

#5b889f

#5b889f
hex#5b889f
rgbrgb(91, 136, 159)
hslhsl(200, 27%, 49%)
oklchoklch(0.603 0.06 231.3)
Closest name: Bay View (#6a819e)Relative luminance 0.2234

Colors that go with #5b889f

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 →

#9f725b

#5b9f93 · #5b669f

#9f5b88 · #889f5b

Split-complementary

Open in tool →

#9f5b66 · #9f935b

#935b9f · #9f725b · #669f5b

Contrast

#5b889f as textRatioAAAA largeAAAFix
Aaon white
3.84:1failpassfail
  • AA: use #527a8e as the text (4.63:1)
  • AAA: use #3d5c6b as the text (7.14:1)
  • AA: or shift the background to #1a1a1a (4.53:1)
Aaon black
5.47:1passpassfail
  • AAA: use #749baf as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b889f 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 #5b889f
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 #5b889f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b889f-9cb2c4-df4e64-1f232d-e9f1f0?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