Color

#40136c

#40136c
hex#40136c
rgbrgb(64, 19, 108)
hslhsl(270, 70%, 25%)
oklchoklch(0.316 0.142 301.3)
Closest name: Explorer of the Galaxies (#3a1f76)Relative luminance 0.0264

Colors that go with #40136c

Charcoal, Crimson and Denim 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 →

#406c13

#13136c · #6c136c

#6c4013 · #136c40

Split-complementary

Open in tool →

#6c6c13 · #136c13

#6c1313 · #406c13 · #136c6c

Contrast

#40136c as textRatioAAAA largeAAAFix
Aaon white
13.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #9952e0 as the text (4.64:1)
  • AAA: use #b37de8 as the text (7.02:1)
  • AA: or shift the background to #949494 (4.53:1)
  • AAA: or shift the background to #bababa (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40136c 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

#40136c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40136c
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 #40136c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40136c-b59cc4-c9cb62-2c1f2d-eae9f1?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