Color

#39548e

#39548e
hex#39548e
rgbrgb(57, 84, 142)
hslhsl(221, 43%, 39%)
oklchoklch(0.454 0.101 264)
Closest name: Assassin (#2d4f83)Relative luminance 0.0916

Colors that go with #39548e

Charcoal, Sea Green and Steel 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 #39548e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e7339

#397f8e · #48398e

#8e3954 · #548e39

Split-complementary

Open in tool →

#8e4839 · #7f8e39

#8e397f · #8e7339 · #398e48

Contrast

#39548e as textRatioAAAA largeAAAFix
Aaon white
7.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.83:1failfailfail
  • AA: use #5474bb as the text (4.59:1)
  • AAA: use #7c95cb as the text (7.02:1)
  • AA: or shift the background to #cccccc (4.62:1)
  • AAA: or shift the background to #fafafa (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39548e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#39548e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39548e
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 #39548e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39548e-9ca4c4-df6b4e-211f2d-e9eff1?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