Color

#19bcd2

#19bcd2
hex#19bcd2
rgbrgb(25, 188, 210)
hslhsl(187, 79%, 46%)
oklchoklch(0.73 0.123 209.9)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4083

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d22e19

#19d28b · #1960d2

#d219bc · #bcd219

Split-complementary

Open in tool →

#d21960 · #d28b19

#8b19d2 · #d22e19 · #60d219

Contrast

#19bcd2 as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #117f8d as the text (4.73:1)
  • AAA: use #0d626e as the text (7.02:1)
  • AA: or shift the background to #404040 (4.53:1)
  • AAA: or shift the background to #212121 (7.03:1)
Aaon black
9.17:1passpasspassPasses 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 #19bcd2 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#19bcd2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19bcd2
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 #19bcd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19bcd2-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