Color

#404ec9

#404ec9
hex#404ec9
rgbrgb(64, 78, 201)
hslhsl(234, 56%, 52%)
oklchoklch(0.489 0.189 272.3)
Closest name: Blurple (#5539cc)Relative luminance 0.1076

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c9bb40

#4092c9 · #7740c9

#c9404e · #4ec940

Split-complementary

Open in tool →

#c97740 · #92c940

#c94092 · #c9bb40 · #40c977

Contrast

#404ec9 as textRatioAAAA largeAAAFix
Aaon white
6.66:1passpassfail
  • AAA: use #3846c7 as the text (7.32:1)
Aaon black
3.15:1failpassfail
  • AA: use #606bd2 as the text (4.53:1)
  • AAA: use #8890dd as the text (7.08:1)
  • AA: or shift the background to #d6d6d6 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404ec9 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

#404ec9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #404ec9
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 #404ec9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404ec9-9d9cc4-df8a4e-241f2d-e9eef1?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