Color

#42afcd

#42afcd
hex#42afcd
rgbrgb(66, 175, 205)
hslhsl(193, 58%, 53%)
oklchoklch(0.704 0.106 219.6)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3623

Colors that go with #42afcd

Charcoal, Denim and Dodger 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 →

#cd6042

#42cda5 · #4269cd

#cd42af · #afcd42

Split-complementary

Open in tool →

#cd4269 · #cda542

#a542cd · #cd6042 · #69cd42

Contrast

#42afcd as textRatioAAAA largeAAAFix
Aaon white
2.55:1failfailfail
  • AA: use #287d95 as the text (4.71:1)
  • AAA: use #1e5f71 as the text (7.17:1)
  • AA: or shift the background to #383838 (4.6:1)
  • AAA: or shift the background to #171717 (7.04:1)
Aaon black
8.25:1passpasspassPasses 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 #42afcd 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

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

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

tool url/palettes/new/42afcd-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