Color

#402a41

#402a41
hex#402a41
rgbrgb(64, 42, 65)
hslhsl(297, 21%, 21%)
oklchoklch(0.321 0.05 325.2)
Closest name: Castro (#44232f)Relative luminance 0.0313

Colors that go with #402a41

Dark Olive Green, Sea Green and Slate 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.

Real palettes that use #402a41

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b412a

#342a41 · #412a37

#41402a · #2a4140

Split-complementary

Open in tool →

#37412a · #2a4134

#41342a · #2b412a · #2a3741

Contrast

#402a41 as textRatioAAAA largeAAAFix
Aaon white
12.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #956397 as the text (4.51:1)
  • AAA: use #b08ab2 as the text (7.12:1)
  • AA: or shift the background to #999999 (4.53:1)
  • AAA: or shift the background to #bfbfbf (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #402a41 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

#402a41 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #402a41
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 #402a41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/402a41-c19fbe-9acb62-2d1f28-ede9f1?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