Color

#40596d

#40596d
hex#40596d
rgbrgb(64, 89, 109)
hslhsl(207, 26%, 34%)
oklchoklch(0.452 0.045 243.1)
Closest name: Atlantis (#336172)Relative luminance 0.0934

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d5440

#406d6b · #40426d

#6d4059 · #596d40

Split-complementary

Open in tool →

#6d4042 · #6d6b40

#6b406d · #6d5440 · #426d40

Contrast

#40596d as textRatioAAAA largeAAAFix
Aaon white
7.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.87:1failfailfail
  • AA: use #577894 as the text (4.52:1)
  • AAA: use #7b99b2 as the text (7.04:1)
  • AA: or shift the background to #cccccc (4.56:1)
  • AAA: or shift the background to #fafafa (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 #40596d 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 #40596d
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 #40596d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40596d-9cadc4-df4e53-1f212d-e9f1f1?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