Color

#426580

#426580
hex#426580
rgbrgb(66, 101, 128)
hslhsl(206, 32%, 38%)
oklchoklch(0.491 0.059 242.6)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1202

Colors that go with #426580

Charcoal, Sienna and Amber 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 →

#805d42

#42807c · #424680

#804265 · #658042

Split-complementary

Open in tool →

#804246 · #807c42

#7c4280 · #805d42 · #468042

Contrast

#426580 as textRatioAAAA largeAAAFix
Aaon white
6.17:1passpassfail
  • AAA: use #3b5a72 as the text (7.26:1)
Aaon black
3.4:1failpassfail
  • AA: use #507a9b as the text (4.6:1)
  • AAA: use #759bb8 as the text (7.14:1)
  • AA: or shift the background to #dedede (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 #426580 as the background.

Brands using this color

mcpConnect your agent — build around #426580
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 #426580 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/426580-9caec4-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