Color

#424252

#424252
hex#424252
rgbrgb(66, 66, 82)
hslhsl(240, 11%, 29%)
oklchoklch(0.385 0.027 285.1)
Closest name: Arsenic (#3b444b)Relative luminance 0.0566

Tints & shades

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

Harmonies

Complementary

Open in tool →

#525242

#424a52 · #4a4252

#524242 · #425242

Split-complementary

Open in tool →

#524a42 · #4a5242

#52424a · #525242 · #42524a

Contrast

#424252 as textRatioAAAA largeAAAFix
Aaon white
9.85:1passpasspassPasses AAA — no fix needed.
Aaon black
2.13:1failfailfail
  • AA: use #747490 as the text (4.64:1)
  • AAA: use #9696ab as the text (7.25:1)
  • AA: or shift the background to #b0b0b0 (4.54:1)
  • AAA: or shift the background to #dbdbdb (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424252 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

#424252 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424252
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 #424252 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424252-a19cc4-df994e-251f2d-e9edf1?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