Color

#39007a

#39007a
hex#39007a
rgbrgb(57, 0, 122)
hslhsl(268, 100%, 24%)
oklchoklch(0.306 0.17 293.4)
Closest name: Galactic Federation (#330077)Relative luminance 0.0227

Colors that go with #39007a

Cobalt Blue, Royal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#417a00

#00047a · #76007a

#7a3900 · #007a39

Split-complementary

Open in tool →

#7a7600 · #047a00

#7a0004 · #417a00 · #007a76

Contrast

#39007a as textRatioAAAA largeAAAFix
Aaon white
14.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #9a42ff as the text (4.6:1)
  • AAA: use #b87aff as the text (7.27:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39007a 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

#39007a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39007a
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 #39007a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39007a-b39cc4-dfdc4e-2c1f2d-e9eaf1?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