Color

#424c76

#424c76
hex#424c76
rgbrgb(66, 76, 118)
hslhsl(228, 28%, 36%)
oklchoklch(0.427 0.071 272.9)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0764

Tints & shades

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

Harmonies

Complementary

Open in tool →

#766b42

#426676 · #524276

#76424c · #4c7642

Split-complementary

Open in tool →

#765242 · #667642

#764266 · #766b42 · #427652

Contrast

#424c76 as textRatioAAAA largeAAAFix
Aaon white
8.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.53:1failfailfail
  • AA: use #6673a9 as the text (4.59:1)
  • AAA: use #8994bd as the text (7.03:1)
  • AA: or shift the background to #bfbfbf (4.52:1)
  • AAA: or shift the background to #ededed (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424c76 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 #424c76
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #424c76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424c76-9c9fc4-df7c4e-231f2d-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