Color

#1da2b4

#1da2b4
hex#1da2b4
rgbrgb(29, 162, 180)
hslhsl(187, 72%, 41%)
oklchoklch(0.654 0.108 209.4)
Closest name: Baltic (#279d9f)Relative luminance 0.294

Colors that go with #1da2b4

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 #1da2b4

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b42f1d

#1db47a · #1d57b4

#b41da2 · #a2b41d

Split-complementary

Open in tool →

#b41d57 · #b47a1d

#7a1db4 · #b42f1d · #57b41d

Contrast

#1da2b4 as textRatioAAAA largeAAAFix
Aaon white
3.05:1failpassfail
  • AA: use #177f8c as the text (4.72:1)
  • AAA: use #115f69 as the text (7.33:1)
  • AA: or shift the background to #2b2b2b (4.64:1)
Aaon black
6.88:1passpassfail
  • AAA: use #1ea6b8 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1da2b4 as the background.

Brands using this color

Fonts for this mood

#1da2b4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1da2b4
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 #1da2b4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1da2b4-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