Color

#402d86

#402d86
hex#402d86
rgbrgb(64, 45, 134)
hslhsl(253, 50%, 35%)
oklchoklch(0.375 0.141 287.3)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0469

Colors that go with #402d86

Charcoal, Steel Blue and 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 →

#73862d

#2d4686 · #6d2d86

#86402d · #2d8640

Split-complementary

Open in tool →

#866d2d · #46862d

#862d46 · #73862d · #2d866d

Contrast

#402d86 as textRatioAAAA largeAAAFix
Aaon white
10.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #7c66cc as the text (4.63:1)
  • AAA: use #9d8cd9 as the text (7.19:1)
  • AA: or shift the background to #a8a8a8 (4.56:1)
  • AAA: or shift the background to #d1d1d1 (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 #402d86 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

#402d86 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #402d86
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 #402d86 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/402d86-a99cc4-dfb84e-281f2d-e9ebf1?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