Color

#5a6972

#5a6972
hex#5a6972
rgbrgb(90, 105, 114)
hslhsl(203, 12%, 40%)
oklchoklch(0.511 0.023 234.3)
Closest name: Alley Cat (#656874)Relative luminance 0.1349

Colors that go with #5a6972

Charcoal, Champagne 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#72635a

#5a726f · #5a5d72

#725a69 · #69725a

Split-complementary

Open in tool →

#725a5d · #726f5a

#6f5a72 · #72635a · #5d725a

Contrast

#5a6972 as textRatioAAAA largeAAAFix
Aaon white
5.68:1passpassfail
  • AAA: use #4c5961 as the text (7.22:1)
Aaon black
3.7:1failpassfail
  • AA: use #677983 as the text (4.64:1)
  • AAA: use #8a99a3 as the text (7.17:1)
  • AA: or shift the background to #e6e6e6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a6972 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 #5a6972
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 #5a6972 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a6972-9cb0c4-df4e5d-1f222d-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