Color

#42898a

#42898a
hex#42898a
rgbrgb(66, 137, 138)
hslhsl(181, 35%, 40%)
oklchoklch(0.585 0.071 196.6)
Closest name: Highlands (#449084)Relative luminance 0.2088

Colors that go with #42898a

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a4342

#428a67 · #42658a

#8a4289 · #898a42

Split-complementary

Open in tool →

#8a4265 · #8a6742

#67428a · #8a4342 · #658a42

Contrast

#42898a as textRatioAAAA largeAAAFix
Aaon white
4.06:1failpassfail
  • AA: use #3d7e7f as the text (4.68:1)
  • AAA: use #2e6060 as the text (7.1:1)
  • AA: or shift the background to #141414 (4.54:1)
Aaon black
5.18:1passpassfail
  • AAA: use #50a4a5 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42898a 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

#42898a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42898a
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 #42898a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42898a-a2babe-d45992-1f272d-e9f1ed?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