Color

#401ba7

#401ba7
hex#401ba7
rgbrgb(64, 27, 167)
hslhsl(256, 72%, 38%)
oklchoklch(0.384 0.2 283.8)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0466

Colors that go with #401ba7

Denim, Blue 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 →

#81a71b

#1b3ca7 · #861ba7

#a7401b · #1ba740

Split-complementary

Open in tool →

#a7861b · #3ca71b

#a71b3c · #81a71b · #1ba786

Contrast

#401ba7 as textRatioAAAA largeAAAFix
Aaon white
10.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #815de5 as the text (4.63:1)
  • AAA: use #a389ec as the text (7.35:1)
  • AA: or shift the background to #a8a8a8 (4.57:1)
  • AAA: or shift the background to #d1d1d1 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #401ba7 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

#401ba7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #401ba7
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 #401ba7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/401ba7-ab9cc4-dfbf4e-291f2d-e9ebf1?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