Color

#400481

#400481
hex#400481
rgbrgb(64, 4, 129)
hslhsl(269, 94%, 26%)
oklchoklch(0.326 0.175 295.2)
Closest name: Indigo Static (#4b0183)Relative luminance 0.0276

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#448104

#040681 · #7f0481

#814004 · #048140

Split-complementary

Open in tool →

#817f04 · #068104

#810406 · #448104 · #04817f

Contrast

#400481 as textRatioAAAA largeAAAFix
Aaon white
13.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #9b43f9 as the text (4.56:1)
  • AAA: use #b879fb as the text (7.17:1)
  • AA: or shift the background to #969696 (4.57:1)
  • AAA: or shift the background to #bdbdbd (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #400481 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

#400481 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400481
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #400481 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400481-b49cc4-cbcb62-2c1f2d-e9e9f1?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