Color

#42bccd

#42bccd
hex#42bccd
rgbrgb(66, 188, 205)
hslhsl(187, 58%, 53%)
oklchoklch(0.735 0.108 208.3)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4153

Colors that go with #42bccd

Charcoal, Dark Orange and Denim 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 →

#cd5242

#42cd97 · #4277cd

#cd42bc · #bccd42

Split-complementary

Open in tool →

#cd4277 · #cd9742

#9742cd · #cd5242 · #77cd42

Contrast

#42bccd as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #25818d as the text (4.56:1)
  • AAA: use #1c6069 as the text (7.18:1)
  • AA: or shift the background to #404040 (4.59:1)
  • AAA: or shift the background to #212121 (7.14:1)
Aaon black
9.31:1passpasspassPasses 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 #42bccd 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

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

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

tool url/palettes/new/42bccd-a2b8be-df4e83-1f262d-e9f1ee?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