Color

#42679e

#42679e
hex#42679e
rgbrgb(66, 103, 158)
hslhsl(216, 41%, 44%)
oklchoklch(0.512 0.098 258.1)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1333

Colors that go with #42679e

Charcoal, Sea Green 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 →

#9e7942

#42959e · #4b429e

#9e4267 · #679e42

Split-complementary

Open in tool →

#9e4b42 · #959e42

#9e4295 · #9e7942 · #429e4b

Contrast

#42679e as textRatioAAAA largeAAAFix
Aaon white
5.73:1passpassfail
  • AAA: use #395989 as the text (7.08:1)
Aaon black
3.67:1failpassfail
  • AA: use #4b75b4 as the text (4.5:1)
  • AAA: use #7a99c7 as the text (7.21:1)
  • AA: or shift the background to #e6e6e6 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42679e as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#42679e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42679e
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 #42679e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42679e-9ca7c4-df5f4e-201f2d-e9f0f1?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