Color

#5a7b87

#5a7b87
hex#5a7b87
rgbrgb(90, 123, 135)
hslhsl(196, 20%, 44%)
oklchoklch(0.562 0.042 222.4)
Closest name: Citadel (#6a7f8b)Relative luminance 0.1809

Colors that go with #5a7b87

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 #5a7b87

Tints & shades

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

Harmonies

Complementary

Open in tool →

#87665a

#5a877c · #5a6487

#875a7b · #7b875a

Split-complementary

Open in tool →

#875a64 · #877c5a

#7c5a87 · #87665a · #64875a

Contrast

#5a7b87 as textRatioAAAA largeAAAFix
Aaon white
4.55:1passpassfail
  • AAA: use #435c65 as the text (7.1:1)
Aaon black
4.62:1passpassfail
  • AAA: use #7b9ca7 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a7b87 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 #5a7b87
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 #5a7b87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a7b87-9cb5c4-df4e6e-1f232d-e9f1ef?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