Color

#1db3cd

#1db3cd
hex#1db3cd
rgbrgb(29, 179, 205)
hslhsl(189, 75%, 46%)
oklchoklch(0.706 0.119 213.5)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3691

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd381d

#1dcd90 · #1d5bcd

#cd1db3 · #b3cd1d

Split-complementary

Open in tool →

#cd1d5b · #cd901d

#901dcd · #cd381d · #5bcd1d

Contrast

#1db3cd as textRatioAAAA largeAAAFix
Aaon white
2.51:1failfailfail
  • AA: use #158093 as the text (4.62:1)
  • AAA: use #106170 as the text (7.08:1)
  • AA: or shift the background to #383838 (4.68:1)
  • AAA: or shift the background to #171717 (7.16:1)
Aaon black
8.38:1passpasspassPasses 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 #1db3cd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1db3cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1db3cd
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 #1db3cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1db3cd-a2b7be-df4e7e-1f252d-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