Color

#402d49

#402d49
hex#402d49
rgbrgb(64, 45, 73)
hslhsl(281, 24%, 23%)
oklchoklch(0.331 0.054 314.5)
Closest name: Call It a Night (#42364c)Relative luminance 0.0345

Colors that go with #402d49

Dark Olive Green, Sea Green and Sienna 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.

Real palettes that use #402d49

Tints & shades

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

Harmonies

Complementary

Open in tool →

#35492d

#322d49 · #492d44

#49402d · #2d4940

Split-complementary

Open in tool →

#44492d · #2d4932

#49322d · #35492d · #2d4449

Contrast

#402d49 as textRatioAAAA largeAAAFix
Aaon white
12.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #8f67a2 as the text (4.63:1)
  • AAA: use #a98ab7 as the text (7.01:1)
  • AA: or shift the background to #9c9c9c (4.53:1)
  • AAA: or shift the background to #c4c4c4 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #402d49 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

#402d49 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #402d49
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 #402d49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/402d49-ba9fc1-b6cb62-2d1f2c-ebe9f1?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