Color

#424e67

#424e67
hex#424e67
rgbrgb(66, 78, 103)
hslhsl(221, 22%, 33%)
oklchoklch(0.424 0.045 264.6)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0759

Colors that go with #424e67

Steel Blue, Cadet Blue and Champagne 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 →

#675b42

#426067 · #484267

#67424d · #4d6742

Split-complementary

Open in tool →

#674842 · #606742

#674260 · #675b42 · #426748

Contrast

#424e67 as textRatioAAAA largeAAAFix
Aaon white
8.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #63759c as the text (4.56:1)
  • AAA: use #8996b3 as the text (7.08:1)
  • AA: or shift the background to #bfbfbf (4.54:1)
  • AAA: or shift the background to #ededed (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424e67 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #424e67
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 #424e67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424e67-9ca4c4-df6b4e-211f2d-e9eff1?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