Color

#404ee7

#404ee7
hex#404ee7
rgbrgb(64, 78, 231)
hslhsl(235, 78%, 58%)
oklchoklch(0.516 0.228 271.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1231

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e7da40

#40a2e7 · #8640e7

#e7404e · #4ee740

Split-complementary

Open in tool →

#e78640 · #a2e740

#e740a2 · #e7da40 · #40e786

Contrast

#404ee7 as textRatioAAAA largeAAAFix
Aaon white
6.07:1passpassfail
  • AAA: use #2e3de5 as the text (7.2:1)
Aaon black
3.46:1failpassfail
  • AA: use #5c68eb as the text (4.63:1)
  • AAA: use #848df0 as the text (7.05:1)
  • AA: or shift the background to #dedede (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404ee7 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

#404ee7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #404ee7
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 #404ee7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404ee7-9e9cc4-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