Color

#424a52

#424a52
hex#424a52
rgbrgb(66, 74, 82)
hslhsl(210, 11%, 29%)
oklchoklch(0.405 0.017 248.2)
Closest name: Abyssal (#404c57)Relative luminance 0.0667

Tints & shades

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

Harmonies

Complementary

Open in tool →

#524a42

#425252 · #424252

#52424a · #4a5242

Split-complementary

Open in tool →

#524242 · #525242

#524252 · #524a42 · #425242

Contrast

#424a52 as textRatioAAAA largeAAAFix
Aaon white
9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #6b7885 as the text (4.65:1)
  • AAA: use #8e99a4 as the text (7.24:1)
  • AA: or shift the background to #b8b8b8 (4.54:1)
  • AAA: or shift the background to #e3e3e3 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424a52 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

#424a52 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424a52
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 #424a52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424a52-9cabc4-df514e-1f202d-e9f1f1?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