Color

#42434d

#42434d
hex#42434d
rgbrgb(66, 67, 77)
hslhsl(235, 8%, 28%)
oklchoklch(0.386 0.017 281)
Closest name: Arsenic (#3b444b)Relative luminance 0.0571

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d4c42

#42484d · #46424d

#4d4243 · #434d42

Split-complementary

Open in tool →

#4d4642 · #484d42

#4d4248 · #4d4c42 · #424d46

Contrast

#42434d as textRatioAAAA largeAAAFix
Aaon white
9.81:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #737587 as the text (4.62:1)
  • AAA: use #9495a4 as the text (7.09:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42434d 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

#42434d reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42434d
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 #42434d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42434d-9e9cc4-df8d4e-241f2d-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