Color

#39487f

#39487f
hex#39487f
rgbrgb(57, 72, 127)
hslhsl(227, 38%, 36%)
oklchoklch(0.417 0.094 270.4)
Closest name: Assassin (#2d4f83)Relative luminance 0.0704

Colors that go with #39487f

Midnight Blue, Powder Blue 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 #39487f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f7039

#396b7f · #4d397f

#7f3948 · #487f39

Split-complementary

Open in tool →

#7f4d39 · #6b7f39

#7f396b · #7f7039 · #397f4d

Contrast

#39487f as textRatioAAAA largeAAAFix
Aaon white
8.72:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #6174b8 as the text (4.7:1)
  • AAA: use #8796c9 as the text (7.24:1)
  • AA: or shift the background to #bdbdbd (4.64:1)
  • AAA: or shift the background to #e8e8e8 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39487f as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#39487f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39487f
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 #39487f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39487f-9ca0c4-df7a4e-221f2d-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