Color

#39596a

#39596a
hex#39596a
rgbrgb(57, 89, 106)
hslhsl(201, 30%, 32%)
oklchoklch(0.446 0.047 232.4)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0906

Colors that go with #39596a

Steel Blue, Sienna and Cadet 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.

Real palettes that use #39596a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6a4a39

#396a63 · #39406a

#6a3959 · #596a39

Split-complementary

Open in tool →

#6a3940 · #6a6339

#63396a · #6a4a39 · #406a39

Contrast

#39596a as textRatioAAAA largeAAAFix
Aaon white
7.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #4f7a92 as the text (4.53:1)
  • AAA: use #709bb2 as the text (7.02:1)
  • AA: or shift the background to #c9c9c9 (4.51:1)
  • AAA: or shift the background to #fafafa (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 #39596a 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 #39596a
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 #39596a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39596a-9cb1c4-df4e62-1f222d-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