Color

#424452

#424452
hex#424452
rgbrgb(66, 68, 82)
hslhsl(233, 11%, 29%)
oklchoklch(0.39 0.024 278.8)
Closest name: Arsenic (#3b444b)Relative luminance 0.059

Tints & shades

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

Harmonies

Complementary

Open in tool →

#525042

#424c52 · #484252

#524244 · #445242

Split-complementary

Open in tool →

#524842 · #4c5242

#52424c · #525042 · #425248

Contrast

#424452 as textRatioAAAA largeAAAFix
Aaon white
9.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #71758e as the text (4.64:1)
  • AAA: use #9396a9 as the text (7.18:1)
  • AA: or shift the background to #b3b3b3 (4.59:1)
  • AAA: or shift the background to #dedede (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 #424452 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

#424452 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424452
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 #424452 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424452-9c9cc4-df884e-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