Color

#596b7d

#596b7d
hex#596b7d
rgbrgb(89, 107, 125)
hslhsl(210, 17%, 42%)
oklchoklch(0.52 0.036 248.5)
Closest name: Ashen Whisper (#646b7a)Relative luminance 0.1412

Colors that go with #596b7d

Charcoal, Sienna and Champagne 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 #596b7d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7d6b59

#597d7d · #59597d

#7d596b · #6b7d59

Split-complementary

Open in tool →

#7d5959 · #7d7d59

#7d597d · #7d6b59 · #597d59

Contrast

#596b7d as textRatioAAAA largeAAAFix
Aaon white
5.49:1passpassfail
  • AAA: use #4a5968 as the text (7.19:1)
Aaon black
3.82:1failpassfail
  • AA: use #63788c as the text (4.6:1)
  • AAA: use #8899aa as the text (7.18:1)
  • AA: or shift the background to #ebebeb (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #596b7d 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 #596b7d
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 #596b7d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/596b7d-9cabc4-df514e-1f202d-e9f1f1?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