Color

#1db9cd

#1db9cd
hex#1db9cd
rgbrgb(29, 185, 205)
hslhsl(187, 75%, 46%)
oklchoklch(0.721 0.12 208.9)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3937

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd321d

#1dcd8a · #1d61cd

#cd1db9 · #b9cd1d

Split-complementary

Open in tool →

#cd1d61 · #cd8a1d

#8a1dcd · #cd321d · #61cd1d

Contrast

#1db9cd as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #14818f as the text (4.6:1)
  • AAA: use #0f606b as the text (7.23:1)
  • AA: or shift the background to #3d3d3d (4.59:1)
  • AAA: or shift the background to #1c1c1c (7.2:1)
Aaon black
8.87:1passpasspassPasses 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 #1db9cd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1db9cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1db9cd
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 #1db9cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1db9cd-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