Color

#402e47

#402e47
hex#402e47
rgbrgb(64, 46, 71)
hslhsl(283, 21%, 23%)
oklchoklch(0.332 0.049 316.3)
Closest name: Call It a Night (#42364c)Relative luminance 0.035

Colors that go with #402e47

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 #402e47

Tints & shades

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

Harmonies

Complementary

Open in tool →

#35472e

#342e47 · #472e42

#47402e · #2e4740

Split-complementary

Open in tool →

#42472e · #2e4734

#47342e · #35472e · #2e4247

Contrast

#402e47 as textRatioAAAA largeAAAFix
Aaon white
12.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.7:1failfailfail
  • AA: use #8d689c as the text (4.59:1)
  • AAA: use #a98db4 as the text (7.16:1)
  • AA: or shift the background to #9c9c9c (4.5:1)
  • AAA: or shift the background to #c4c4c4 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #402e47 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

#402e47 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #402e47
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 #402e47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/402e47-bb9fc1-b2cb62-2d1f2b-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