Color

#50909b

#50909b
hex#50909b
rgbrgb(80, 144, 155)
hslhsl(189, 32%, 46%)
oklchoklch(0.615 0.068 209.8)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2402

Colors that go with #50909b

Charcoal, Copper and Cobalt Blue 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 #50909b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b5b50

#509b81 · #506a9b

#9b5090 · #909b50

Split-complementary

Open in tool →

#9b506a · #9b8150

#81509b · #9b5b50 · #6a9b50

Contrast

#50909b as textRatioAAAA largeAAAFix
Aaon white
3.62:1failpassfail
  • AA: use #457d87 as the text (4.63:1)
  • AAA: use #345e65 as the text (7.15:1)
  • AA: or shift the background to #1f1f1f (4.56:1)
Aaon black
5.8:1passpassfail
  • AAA: use #5da0ac as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #50909b 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 #50909b
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 #50909b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/50909b-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