Color

#5b7480

#5b7480
hex#5b7480
rgbrgb(91, 116, 128)
hslhsl(199, 17%, 43%)
oklchoklch(0.544 0.035 228.8)
Closest name: Batman (#656e72)Relative luminance 0.1627

Colors that go with #5b7480

Charcoal, Sienna 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.

Real palettes that use #5b7480

Tints & shades

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

Harmonies

Complementary

Open in tool →

#80675b

#5b8079 · #5b6280

#805b74 · #74805b

Split-complementary

Open in tool →

#805b62 · #80795b

#795b80 · #80675b · #62805b

Contrast

#5b7480 as textRatioAAAA largeAAAFix
Aaon white
4.94:1passpassfail
  • AAA: use #485c65 as the text (7.01:1)
Aaon black
4.25:1failpassfail
  • AA: use #5f7a86 as the text (4.61:1)
  • AAA: use #829ba6 as the text (7.19:1)
  • AA: or shift the background to #f5f5f5 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b7480 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 #5b7480
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 #5b7480 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b7480-9cb3c4-df4e66-1f232d-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