Color

#404663

#404663
hex#404663
rgbrgb(64, 70, 99)
hslhsl(230, 21%, 32%)
oklchoklch(0.401 0.05 274.9)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0637

Tints & shades

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

Harmonies

Complementary

Open in tool →

#635d40

#405763 · #4c4063

#634046 · #466340

Split-complementary

Open in tool →

#634c40 · #576340

#634057 · #635d40 · #40634c

Contrast

#404663 as textRatioAAAA largeAAAFix
Aaon white
9.23:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #6b739e as the text (4.57:1)
  • AAA: use #9096b6 as the text (7.22:1)
  • AA: or shift the background to #b5b5b5 (4.5:1)
  • AAA: or shift the background to #e3e3e3 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404663 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 #404663
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 #404663 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404663-9c9ec4-df814e-231f2d-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