Color

#40008a

#40008a
hex#40008a
rgbrgb(64, 0, 138)
hslhsl(268, 100%, 27%)
oklchoklch(0.333 0.186 292.6)
Closest name: Indigo Static (#4b0183)Relative luminance 0.0292

Tints & shades

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

Harmonies

Complementary

Open in tool →

#498a00

#00058a · #85008a

#8a4000 · #008a40

Split-complementary

Open in tool →

#8a8500 · #058a00

#8a0005 · #498a00 · #008a85

Contrast

#40008a as textRatioAAAA largeAAAFix
Aaon white
13.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #9a42ff as the text (4.6:1)
  • AAA: use #b87aff as the text (7.27:1)
  • AA: or shift the background to #999999 (4.65:1)
  • AAA: or shift the background to #bdbdbd (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40008a 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

#40008a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40008a
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 #40008a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40008a-b39cc4-dfdc4e-2c1f2d-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