Color

#39387a

#39387a
hex#39387a
rgbrgb(57, 56, 122)
hslhsl(241, 37%, 35%)
oklchoklch(0.379 0.109 280.5)
Closest name: Evening Magic (#363e7d)Relative luminance 0.051

Colors that go with #39387a

Steel Blue, Blue 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 →

#797a38

#38587a · #5a387a

#7a3938 · #387a39

Split-complementary

Open in tool →

#7a5a38 · #587a38

#7a3858 · #797a38 · #387a5a

Contrast

#39387a as textRatioAAAA largeAAAFix
Aaon white
10.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #6e6cbc as the text (4.53:1)
  • AAA: use #9493cd as the text (7.31:1)
  • AA: or shift the background to #ababab (4.53:1)
  • AAA: or shift the background to #d4d4d4 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39387a 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

#39387a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39387a
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 #39387a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39387a-a19cc4-df9b4e-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