Color

#40644d

#40644d
hex#40644d
rgbrgb(64, 100, 77)
hslhsl(142, 22%, 32%)
oklchoklch(0.469 0.056 155.6)
Closest name: Ethereal Woods (#3e5e4e)Relative luminance 0.1074

Tints & shades

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

Harmonies

Complementary

Open in tool →

#644056

#446440 · #40645f

#4d4064 · #644d40

Split-complementary

Open in tool →

#5f4064 · #644044

#404464 · #644056 · #645f40

Contrast

#40644d as textRatioAAAA largeAAAFix
Aaon white
6.67:1passpassfail
  • AAA: use #3e604a as the text (7.05:1)
Aaon black
3.15:1failpassfail
  • AA: use #528062 as the text (4.62:1)
  • AAA: use #6da280 as the text (7.13:1)
  • AA: or shift the background to #d4d4d4 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40644d 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 #40644d
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 #40644d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40644d-a2beaf-c659d4-1f2d2a-eaf1e9?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