Color

#426b85

#426b85
hex#426b85
rgbrgb(66, 107, 133)
hslhsl(203, 34%, 39%)
oklchoklch(0.508 0.062 237.6)
Closest name: Astral (#376f89)Relative luminance 0.1337

Colors that go with #426b85

Charcoal, Royal Blue and Sienna 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 →

#855c42

#42857d · #424a85

#85426b · #6b8542

Split-complementary

Open in tool →

#85424a · #857d42

#7d4285 · #855c42 · #4a8542

Contrast

#426b85 as textRatioAAAA largeAAAFix
Aaon white
5.72:1passpassfail
  • AAA: use #385b71 as the text (7.23:1)
Aaon black
3.67:1failpassfail
  • AA: use #4c7c9a as the text (4.66:1)
  • AAA: use #6f9cb8 as the text (7.12:1)
  • AA: or shift the background to #e6e6e6 (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 #426b85 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 #426b85
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 #426b85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/426b85-9cb0c4-df4e5d-1f222d-e9f1f0?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