Color

#1da2b9

#1da2b9
hex#1da2b9
rgbrgb(29, 162, 185)
hslhsl(189, 73%, 42%)
oklchoklch(0.656 0.11 213.2)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.296

Colors that go with #1da2b9

Charcoal, Orange Red and Amber 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.

Real palettes that use #1da2b9

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b9341d

#1db983 · #1d54b9

#b91da2 · #a2b91d

Split-complementary

Open in tool →

#b91d54 · #b9831d

#831db9 · #b9341d · #54b91d

Contrast

#1da2b9 as textRatioAAAA largeAAAFix
Aaon white
3.03:1failpassfail
  • AA: use #177f92 as the text (4.68:1)
  • AAA: use #11606e as the text (7.19:1)
  • AA: or shift the background to #2b2b2b (4.67:1)
Aaon black
6.92:1passpassfail
  • AAA: use #1ea6be as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1da2b9 as the background.

Brands using this color

Fonts for this mood

#1da2b9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1da2b9
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 #1da2b9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1da2b9-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