Color

#426c8f

#426c8f
hex#426c8f
rgbrgb(66, 108, 143)
hslhsl(207, 37%, 41%)
oklchoklch(0.516 0.073 245)
Closest name: Astral (#376f89)Relative luminance 0.1387

Colors that go with #426c8f

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 →

#8f6542

#428f8b · #42468f

#8f426c · #6c8f42

Split-complementary

Open in tool →

#8f4246 · #8f8b42

#8b428f · #8f6542 · #468f42

Contrast

#426c8f as textRatioAAAA largeAAAFix
Aaon white
5.57:1passpassfail
  • AAA: use #375a77 as the text (7.26:1)
Aaon black
3.77:1failpassfail
  • AA: use #4a7aa1 as the text (4.59:1)
  • AAA: use #709abd as the text (7.05:1)
  • AA: or shift the background to #e8e8e8 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #426c8f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#426c8f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #426c8f
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 #426c8f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/426c8f-9cadc4-df4e53-1f212d-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