Color

#19a0cc

#19a0cc
hex#19a0cc
rgbrgb(25, 160, 204)
hslhsl(195, 78%, 45%)
oklchoklch(0.659 0.123 227.2)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2971

Colors that go with #19a0cc

Charcoal, Tomato 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 #19a0cc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc4619

#19cca0 · #1946cc

#cc19a0 · #a0cc19

Split-complementary

Open in tool →

#cc1946 · #cca019

#a019cc · #cc4619 · #46cc19

Contrast

#19a0cc as textRatioAAAA largeAAAFix
Aaon white
3.03:1failpassfail
  • AA: use #1480a3 as the text (4.52:1)
  • AAA: use #0f607b as the text (7.05:1)
  • AA: or shift the background to #2b2b2b (4.68:1)
Aaon black
6.94:1passpassfail
  • AAA: use #1aa3d1 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #19a0cc as the background.

Brands using this color

Fonts for this mood

#19a0cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19a0cc
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 #19a0cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19a0cc-9cb5c4-df4e70-1f242d-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