Color

#424a40

#424a40
hex#424a40
rgbrgb(66, 74, 64)
hslhsl(108, 7%, 27%)
oklchoklch(0.399 0.019 139.4)
Closest name: Ancient Pine (#444b43)Relative luminance 0.0643

Tints & shades

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

Harmonies

Complementary

Open in tool →

#48404a

#474a40 · #404a43

#40424a · #4a4042

Split-complementary

Open in tool →

#43404a · #4a4047

#40474a · #48404a · #4a4340

Contrast

#424a40 as textRatioAAAA largeAAAFix
Aaon white
9.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #6b7868 as the text (4.51:1)
  • AAA: use #8d998a as the text (7.06:1)
  • AA: or shift the background to #b8b8b8 (4.63:1)
  • AAA: or shift the background to #e3e3e3 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424a40 as the background.

Brands using this color

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

Fonts for this mood

#424a40 reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424a40
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 #424a40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424a40-a2beb0-c859d4-1f2d2b-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