Color

#424d57

#424d57
hex#424d57
rgbrgb(66, 77, 87)
hslhsl(209, 14%, 30%)
oklchoklch(0.414 0.022 245.8)
Closest name: Abyssal (#404c57)Relative luminance 0.0715

Colors that go with #424d57

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 →

#574c42

#425757 · #424257

#57424d · #4d5742

Split-complementary

Open in tool →

#574242 · #575742

#574257 · #574c42 · #425742

Contrast

#424d57 as textRatioAAAA largeAAAFix
Aaon white
8.64:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #677889 as the text (4.62:1)
  • AAA: use #8897a5 as the text (7.02:1)
  • AA: or shift the background to #bdbdbd (4.6:1)
  • AAA: or shift the background to #e8e8e8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424d57 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

#424d57 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424d57
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 #424d57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424d57-9cacc4-df4e4e-1f212d-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