Color

#425a6c

#425a6c
hex#425a6c
rgbrgb(66, 90, 108)
hslhsl(206, 24%, 34%)
oklchoklch(0.455 0.041 241.2)
Closest name: Atlantis (#336172)Relative luminance 0.0955

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6c5442

#426c69 · #42456c

#6c4259 · #596c42

Split-complementary

Open in tool →

#6c4245 · #6c6942

#69426c · #6c5442 · #456c42

Contrast

#425a6c as textRatioAAAA largeAAAFix
Aaon white
7.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #597991 as the text (4.57:1)
  • AAA: use #7d9ab0 as the text (7.12:1)
  • AA: or shift the background to #cfcfcf (4.63:1)
  • AAA: or shift the background to #fcfcfc (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #425a6c 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 #425a6c
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 #425a6c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/425a6c-9caec4-df4e56-1f212d-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