Color

#404591

#404591
hex#404591
rgbrgb(64, 69, 145)
hslhsl(236, 39%, 41%)
oklchoklch(0.428 0.123 277)
Closest name: Blueberry (#464196)Relative luminance 0.0739

Tints & shades

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

Harmonies

Complementary

Open in tool →

#918c40

#406e91 · #634091

#914045 · #459140

Split-complementary

Open in tool →

#916340 · #6e9140

#91406e · #918c40 · #409163

Contrast

#404591 as textRatioAAAA largeAAAFix
Aaon white
8.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.48:1failfailfail
  • AA: use #6a70be as the text (4.67:1)
  • AAA: use #8e92cd as the text (7.14:1)
  • AA: or shift the background to #bdbdbd (4.51:1)
  • AAA: or shift the background to #ebebeb (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404591 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

#404591 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #404591
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 #404591 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404591-9e9cc4-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