Color

#404b68

#404b68
hex#404b68
rgbrgb(64, 75, 104)
hslhsl(224, 24%, 33%)
oklchoklch(0.416 0.051 268.1)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0712

Tints & shades

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

Harmonies

Complementary

Open in tool →

#685e40

#405f68 · #494068

#68404b · #4b6840

Split-complementary

Open in tool →

#684940 · #5f6840

#68405f · #685e40 · #406849

Contrast

#404b68 as textRatioAAAA largeAAAFix
Aaon white
8.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #6474a0 as the text (4.55:1)
  • AAA: use #8a96b7 as the text (7.13:1)
  • AA: or shift the background to #bdbdbd (4.61:1)
  • AAA: or shift the background to #e8e8e8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404b68 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #404b68
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 #404b68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404b68-9ca2c4-df724e-221f2d-e9eff1?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