Color

#404dfc

#404dfc
hex#404dfc
rgbrgb(64, 77, 252)
hslhsl(236, 97%, 62%)
oklchoklch(0.534 0.254 270.9)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1343

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fcf040

#40abfc · #9240fc

#fc404d · #4dfc40

Split-complementary

Open in tool →

#fc9240 · #abfc40

#fc40ab · #fcf040 · #40fc92

Contrast

#404dfc as textRatioAAAA largeAAAFix
Aaon white
5.7:1passpassfail
  • AAA: use #2230fc as the text (7.25:1)
Aaon black
3.69:1failpassfail
  • AA: use #5964fc as the text (4.65:1)
  • AAA: use #868efd as the text (7.3:1)
  • AA: or shift the background to #e6e6e6 (4.57:1)

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

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

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

tool url/palettes/new/404dfc-9e9cc4-df8f4e-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