Color

#19c0cc

#19c0cc
hex#19c0cc
rgbrgb(25, 192, 204)
hslhsl(184, 78%, 45%)
oklchoklch(0.737 0.122 203)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4227

Colors that go with #19c0cc

Charcoal, Blue and Dark Orange 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 →

#cc2519

#19cc7f · #1967cc

#cc19c0 · #c0cc19

Split-complementary

Open in tool →

#cc1967 · #cc7f19

#7f19cc · #cc2519 · #67cc19

Contrast

#19c0cc as textRatioAAAA largeAAAFix
Aaon white
2.22:1failfailfail
  • AA: use #118088 as the text (4.7:1)
  • AAA: use #0d6268 as the text (7.08:1)
  • AA: or shift the background to #424242 (4.52:1)
  • AAA: or shift the background to #212121 (7.25:1)
Aaon black
9.45:1passpasspassPasses 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 #19c0cc as the background.

Brands using this color

Fonts for this mood

#19c0cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19c0cc
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 #19c0cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19c0cc-a2b9be-df4e8a-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