Color

#40446d

#40446d
hex#40446d
rgbrgb(64, 68, 109)
hslhsl(235, 26%, 34%)
oklchoklch(0.402 0.069 278.6)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0633

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d6940

#405a6d · #53406d

#6d4044 · #446d40

Split-complementary

Open in tool →

#6d5340 · #5a6d40

#6d405a · #6d6940 · #406d53

Contrast

#40446d as textRatioAAAA largeAAAFix
Aaon white
9.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #6b70a8 as the text (4.51:1)
  • AAA: use #8f92bd as the text (7.01:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40446d 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 #40446d
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 #40446d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40446d-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