Color

#401e6b

#401e6b
hex#401e6b
rgbrgb(64, 30, 107)
hslhsl(266, 56%, 27%)
oklchoklch(0.328 0.127 299.5)
Closest name: Fading Horizon (#442266)Relative luminance 0.0308

Colors that go with #401e6b

Royal Blue, Charcoal and Crimson 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 →

#4a6b1e

#1e236b · #661e6b

#6b401e · #1e6b40

Split-complementary

Open in tool →

#6b661e · #236b1e

#6b1e23 · #4a6b1e · #1e6b66

Contrast

#401e6b as textRatioAAAA largeAAAFix
Aaon white
12.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #8f5cd1 as the text (4.62:1)
  • AAA: use #aa84dc as the text (7.04:1)
  • AA: or shift the background to #999999 (4.56:1)
  • AAA: or shift the background to #bfbfbf (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #401e6b 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

#401e6b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #401e6b
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 #401e6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/401e6b-b29cc4-dfd74e-2b1f2d-e9eaf1?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