Color

#400382

#400382
hex#400382
rgbrgb(64, 3, 130)
hslhsl(269, 95%, 26%)
oklchoklch(0.326 0.176 294.9)
Closest name: Indigo Static (#4b0183)Relative luminance 0.0277

Colors that go with #400382

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 →

#448103

#030581 · #7f0381

#814003 · #038140

Split-complementary

Open in tool →

#817f03 · #058103

#810305 · #448103 · #03817f

Contrast

#400382 as textRatioAAAA largeAAAFix
Aaon white
13.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #9b42fa as the text (4.55:1)
  • AAA: use #b879fc as the text (7.18:1)
  • AA: or shift the background to #969696 (4.57:1)
  • AAA: or shift the background to #bdbdbd (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #400382 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

#400382 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400382
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 #400382 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400382-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