Color

#42849e

#42849e
hex#42849e
rgbrgb(66, 132, 158)
hslhsl(197, 41%, 44%)
oklchoklch(0.581 0.078 226.3)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2013

Colors that go with #42849e

Charcoal, Copper and Cobalt 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 #42849e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9e5c42

#429e8a · #42569e

#9e4284 · #849e42

Split-complementary

Open in tool →

#9e4256 · #9e8a42

#8a429e · #9e5c42 · #569e42

Contrast

#42849e as textRatioAAAA largeAAAFix
Aaon white
4.18:1failpassfail
  • AA: use #3f7e97 as the text (4.52:1)
  • AAA: use #2f5d6f as the text (7.2:1)
  • AA: or shift the background to #0f0f0f (4.59:1)
Aaon black
5.03:1passpassfail
  • AAA: use #5a9fba as the text (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 #42849e 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

#42849e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42849e
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 #42849e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42849e-9cb4c4-df4e6b-1f232d-e9f1ef?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