Color

#425170

#425170
hex#425170
rgbrgb(66, 81, 112)
hslhsl(220, 26%, 35%)
oklchoklch(0.436 0.055 264.3)
Closest name: Deep Indigo (#4c567a)Relative luminance 0.0821

Colors that go with #425170

Steel Blue, Blue and Cadet 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.

Real palettes that use #425170

Tints & shades

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

Harmonies

Complementary

Open in tool →

#706142

#426970 · #4a4270

#704252 · #527042

Split-complementary

Open in tool →

#704a42 · #697042

#704269 · #706142 · #42704a

Contrast

#425170 as textRatioAAAA largeAAAFix
Aaon white
7.95:1passpasspassPasses AAA — no fix needed.
Aaon black
2.64:1failfailfail
  • AA: use #6277a3 as the text (4.69:1)
  • AAA: use #8596b7 as the text (7.04:1)
  • AA: or shift the background to #c4c4c4 (4.56:1)
  • AAA: or shift the background to #f2f2f2 (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 #425170 as the background.

Brands using this color

mcpConnect your agent — build around #425170
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 #425170 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/425170-9ca5c4-df694e-211f2d-e9f0f1?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