Color

#424f57

#424f57
hex#424f57
rgbrgb(66, 79, 87)
hslhsl(203, 14%, 30%)
oklchoklch(0.419 0.021 235)
Closest name: Abyssal (#404c57)Relative luminance 0.0744

Colors that go with #424f57

Blue, Blush Pink and Cadet Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#574a42

#425755 · #424457

#57424f · #4f5742

Split-complementary

Open in tool →

#574244 · #575542

#554257 · #574a42 · #445742

Contrast

#424f57 as textRatioAAAA largeAAAFix
Aaon white
8.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #657986 as the text (4.63:1)
  • AAA: use #889aa5 as the text (7.21:1)
  • AA: or shift the background to #bfbfbf (4.59:1)
  • AAA: or shift the background to #ebebeb (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 #424f57 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

#424f57 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424f57
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #424f57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424f57-9cb0c4-df4e5d-1f222d-e9f1f0?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