Color

#5a596e

#5a596e
hex#5a596e
rgbrgb(90, 89, 110)
hslhsl(243, 11%, 39%)
oklchoklch(0.473 0.034 287.2)
Closest name: Fedora (#625665)Relative luminance 0.1044

Colors that go with #5a596e

Champagne, Copper and Crimson 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 →

#6d6e59

#59626e · #65596e

#6e5a59 · #596e5a

Split-complementary

Open in tool →

#6e6559 · #626e59

#6e5962 · #6d6e59 · #596e65

Contrast

#5a596e as textRatioAAAA largeAAAFix
Aaon white
6.8:1passpassfail
  • AAA: use #57566c as the text (7.11:1)
Aaon black
3.09:1failpassfail
  • AA: use #767490 as the text (4.67:1)
  • AAA: use #9593a9 as the text (7.02:1)
  • AA: or shift the background to #d4d4d4 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a596e 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 #5a596e
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 #5a596e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a596e-a39cc4-dfa04e-261f2d-e9edf1?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