Color

#400085

#400085
hex#400085
rgbrgb(64, 0, 133)
hslhsl(269, 100%, 26%)
oklchoklch(0.328 0.181 294.2)
Closest name: Indigo Static (#4b0183)Relative luminance 0.0278

Colors that go with #400085

Cobalt Blue, Crimson and Royal 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 →

#458500

#000285 · #820085

#854000 · #008540

Split-complementary

Open in tool →

#858200 · #028500

#850002 · #458500 · #008582

Contrast

#400085 as textRatioAAAA largeAAAFix
Aaon white
13.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #9b3dff as the text (4.51:1)
  • AAA: use #b875ff as the text (7.03:1)
  • AA: or shift the background to #969696 (4.56:1)
  • AAA: or shift the background to #bdbdbd (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #400085 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

#400085 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400085
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 #400085 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400085-b49cc4-cbcb62-2c1f2d-e9e9f1?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