Color

#423e65

#423e65
hex#423e65
rgbrgb(66, 62, 101)
hslhsl(246, 24%, 32%)
oklchoklch(0.386 0.065 287.6)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0554

Colors that go with #423e65

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 →

#61653e

#3e4e65 · #563e65

#65423e · #3e6542

Split-complementary

Open in tool →

#65563e · #4e653e

#653e4e · #61653e · #3e6556

Contrast

#423e65 as textRatioAAAA largeAAAFix
Aaon white
9.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #736ea6 as the text (4.51:1)
  • AAA: use #9893bd as the text (7.24:1)
  • AA: or shift the background to #b0b0b0 (4.59:1)
  • AAA: or shift the background to #d9d9d9 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #423e65 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 #423e65
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 #423e65 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423e65-a59cc4-dfa74e-271f2d-e9ecf1?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