Color

#401d53

#401d53
hex#401d53
rgbrgb(64, 29, 83)
hslhsl(279, 48%, 22%)
oklchoklch(0.308 0.099 311.9)
Closest name: Fabric of Space (#341758)Relative luminance 0.0259

Colors that go with #401d53

Charcoal, Sea Green and Teal 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 →

#30531d

#251d53 · #531d4b

#53401d · #1d5340

Split-complementary

Open in tool →

#4b531d · #1d5325

#53251d · #30531d · #1d4b53

Contrast

#401d53 as textRatioAAAA largeAAAFix
Aaon white
13.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.52:1failfailfail
  • AA: use #9d55c3 as the text (4.52:1)
  • AAA: use #b782d3 as the text (7.15:1)
  • AA: or shift the background to #949494 (4.56:1)
  • AAA: or shift the background to #bababa (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 #401d53 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

#401d53 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #401d53
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 #401d53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/401d53-b99fc1-b9cb62-2d1f2c-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