Color

#1daddd

#1daddd
hex#1daddd
rgbrgb(29, 173, 221)
hslhsl(195, 77%, 49%)
oklchoklch(0.699 0.13 227.6)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3537

Colors that go with #1daddd

Charcoal, Amber and Dark Orange 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 →

#dd4d1d

#1dddad · #1d4ddd

#dd1dad · #addd1d

Split-complementary

Open in tool →

#dd1d4d · #ddad1d

#ad1ddd · #dd4d1d · #4ddd1d

Contrast

#1daddd as textRatioAAAA largeAAAFix
Aaon white
2.6:1failfailfail
  • AA: use #157fa2 as the text (4.58:1)
  • AAA: use #105f7a as the text (7.14:1)
  • AA: or shift the background to #383838 (4.51:1)
  • AAA: or shift the background to #141414 (7.08:1)
Aaon black
8.07:1passpasspassPasses 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 #1daddd as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/1daddd-9cb5c4-df4e70-1f242d-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