Color

#400e58

#400e58
hex#400e58
rgbrgb(64, 14, 88)
hslhsl(281, 73%, 20%)
oklchoklch(0.293 0.126 311.7)
Closest name: Clairvoyant (#480656)Relative luminance 0.0211

Colors that go with #400e58

Charcoal, 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 →

#25580e

#1b0e58 · #580e4b

#58410e · #0e5841

Split-complementary

Open in tool →

#4b580e · #0e581b

#581b0e · #25580e · #0e4b58

Contrast

#400e58 as textRatioAAAA largeAAAFix
Aaon white
14.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #ad3de1 as the text (4.53:1)
  • AAA: use #c576ea as the text (7.15:1)
  • AA: or shift the background to #8f8f8f (4.57:1)
  • AAA: or shift the background to #b3b3b3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #400e58 as the background.

Brands using this color

Fonts for this mood

#400e58 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400e58
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 #400e58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400e58-ba9fc1-b6cb62-2d1f2c-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