Color

#42a2bd

#42a2bd
hex#42a2bd
rgbrgb(66, 162, 189)
hslhsl(193, 48%, 50%)
oklchoklch(0.667 0.097 219.6)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.3067

Colors that go with #42a2bd

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd5d42

#42bd9a · #4265bd

#bd42a2 · #a2bd42

Split-complementary

Open in tool →

#bd4265 · #bd9a42

#9a42bd · #bd5d42 · #65bd42

Contrast

#42a2bd as textRatioAAAA largeAAAFix
Aaon white
2.94:1failfailfail
  • AA: use #347f93 as the text (4.56:1)
  • AAA: use #265e6d as the text (7.23:1)
  • AA: or shift the background to #2e2e2e (4.61:1)
  • AAA: or shift the background to #030303 (7.01:1)
Aaon black
7.13:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42a2bd 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

#42a2bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42a2bd
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 #42a2bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42a2bd-a2b5be-df4e75-1f242d-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