Color

#42a0bd

#42a0bd
hex#42a0bd
rgbrgb(66, 160, 189)
hslhsl(194, 48%, 50%)
oklchoklch(0.662 0.097 221.6)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2997

Colors that go with #42a0bd

Charcoal, Terracotta 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.

Real palettes that use #42a0bd

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd5f42

#42bd9c · #4263bd

#bd42a0 · #a0bd42

Split-complementary

Open in tool →

#bd4263 · #bd9c42

#9c42bd · #bd5f42 · #63bd42

Contrast

#42a0bd as textRatioAAAA largeAAAFix
Aaon white
3:1failpassfail
  • AA: use #347d93 as the text (4.67:1)
  • AAA: use #265d6d as the text (7.32:1)
  • AA: or shift the background to #2e2e2e (4.52:1)
Aaon black
6.99:1passpassfail
  • AAA: use #46a2be as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42a0bd 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

#42a0bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42a0bd
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 #42a0bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42a0bd-9cb6c4-df4e72-1f242d-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