Color

#1dbddd

#1dbddd
hex#1dbddd
rgbrgb(29, 189, 221)
hslhsl(190, 77%, 49%)
oklchoklch(0.737 0.127 216.3)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4188

Colors that go with #1dbddd

Charcoal, Dark Orange and Denim 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd3d1d

#1ddd9d · #1d5ddd

#dd1dbd · #bddd1d

Split-complementary

Open in tool →

#dd1d5d · #dd9d1d

#9d1ddd · #dd3d1d · #5ddd1d

Contrast

#1dbddd as textRatioAAAA largeAAAFix
Aaon white
2.24:1failfailfail
  • AA: use #137f95 as the text (4.67:1)
  • AAA: use #0f6071 as the text (7.16:1)
  • AA: or shift the background to #404040 (4.63:1)
  • AAA: or shift the background to #212121 (7.19:1)
Aaon black
9.38:1passpasspassPasses 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 #1dbddd as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/1dbddd-a2b6be-df4e7c-1f252d-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