Color

#424a3f

#424a3f
hex#424a3f
rgbrgb(66, 74, 63)
hslhsl(104, 8%, 27%)
oklchoklch(0.398 0.021 137.1)
Closest name: Ancient Pine (#444b43)Relative luminance 0.0641

Tints & shades

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

Harmonies

Complementary

Open in tool →

#473f4a

#484a3f · #3f4a42

#3f424a · #4a3f42

Split-complementary

Open in tool →

#423f4a · #4a3f48

#3f484a · #473f4a · #4a423f

Contrast

#424a3f as textRatioAAAA largeAAAFix
Aaon white
9.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #6c7967 as the text (4.57:1)
  • AAA: use #8d9a89 as the text (7.12:1)
  • AA: or shift the background to #b8b8b8 (4.64:1)
  • AAA: or shift the background to #e3e3e3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424a3f 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

#424a3f reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424a3f
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 #424a3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424a3f-a6bea2-724edf-1f2d22-eff1e9?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