Color

#425f7b

#425f7b
hex#425f7b
rgbrgb(66, 95, 123)
hslhsl(209, 30%, 37%)
oklchoklch(0.475 0.057 248.2)
Closest name: Atlantis (#336172)Relative luminance 0.1077

Colors that go with #425f7b

Sienna, Amber 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 →

#7b5d42

#427b7a · #42437b

#7b425f · #5f7b42

Split-complementary

Open in tool →

#7b4243 · #7b7a42

#7a427b · #7b5d42 · #437b42

Contrast

#425f7b as textRatioAAAA largeAAAFix
Aaon white
6.66:1passpassfail
  • AAA: use #3e5a74 as the text (7.19:1)
Aaon black
3.15:1failpassfail
  • AA: use #54799c as the text (4.59:1)
  • AAA: use #7a9ab8 as the text (7.14:1)
  • AA: or shift the background to #d6d6d6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #425f7b 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 #425f7b
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 #425f7b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/425f7b-9cacc4-df4e4e-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