Color

#424567

#424567
hex#424567
rgbrgb(66, 69, 103)
hslhsl(235, 22%, 33%)
oklchoklch(0.403 0.057 279.6)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0639

Colors that go with #424567

Steel Blue, Teal and 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 →

#676442

#425767 · #514267

#674245 · #456742

Split-complementary

Open in tool →

#675142 · #576742

#674257 · #676442 · #426751

Contrast

#424567 as textRatioAAAA largeAAAFix
Aaon white
9.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #6d71a2 as the text (4.53:1)
  • AAA: use #9295b9 as the text (7.22:1)
  • AA: or shift the background to #b8b8b8 (4.65:1)
  • AAA: or shift the background to #e3e3e3 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424567 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 #424567
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 #424567 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424567-9e9cc4-df8d4e-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