Color

#426e8a

#426e8a
hex#426e8a
rgbrgb(66, 110, 138)
hslhsl(203, 35%, 40%)
oklchoklch(0.518 0.066 237.8)
Closest name: Astral (#376f89)Relative luminance 0.1415

Colors that go with #426e8a

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 →

#8a5e42

#428a81 · #424b8a

#8a426e · #6e8a42

Split-complementary

Open in tool →

#8a424b · #8a8142

#81428a · #8a5e42 · #4b8a42

Contrast

#426e8a as textRatioAAAA largeAAAFix
Aaon white
5.48:1passpassfail
  • AAA: use #375b72 as the text (7.24:1)
Aaon black
3.83:1failpassfail
  • AA: use #4b7c9b as the text (4.66:1)
  • AAA: use #6e9db9 as the text (7.19:1)
  • AA: or shift the background to #ebebeb (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #426e8a 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

#426e8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #426e8a
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 #426e8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/426e8a-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