Color

#404ee2

#404ee2
hex#404ee2
rgbrgb(64, 78, 226)
hslhsl(235, 74%, 57%)
oklchoklch(0.511 0.221 271.6)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1203

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e2d540

#409fe2 · #8440e2

#e2404e · #4ee240

Split-complementary

Open in tool →

#e28440 · #9fe240

#e2409f · #e2d540 · #40e284

Contrast

#404ee2 as textRatioAAAA largeAAAFix
Aaon white
6.17:1passpassfail
  • AAA: use #3341e1 as the text (7.04:1)
Aaon black
3.41:1failpassfail
  • AA: use #5f6be7 as the text (4.74:1)
  • AAA: use #8790ed as the text (7.24:1)
  • AA: or shift the background to #dedede (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404ee2 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

#404ee2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #404ee2
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 #404ee2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404ee2-9e9cc4-df8d4e-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