Color

#19bdcc

#19bdcc
hex#19bdcc
rgbrgb(25, 189, 204)
hslhsl(185, 78%, 45%)
oklchoklch(0.73 0.121 205.2)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4096

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc2819

#19cc82 · #1964cc

#cc19bd · #bdcc19

Split-complementary

Open in tool →

#cc1964 · #cc8219

#8219cc · #cc2819 · #64cc19

Contrast

#19bdcc as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #11828d as the text (4.56:1)
  • AAA: use #0d6168 as the text (7.17:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.05:1)
Aaon black
9.19:1passpasspassPasses 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 #19bdcc as the background.

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #19bdcc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #19bdcc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19bdcc-a2b8be-df4e88-1f262d-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