Color

#1da9bf

#1da9bf
hex#1da9bf
rgbrgb(29, 169, 191)
hslhsl(188, 74%, 43%)
oklchoklch(0.676 0.113 211.7)
Closest name: Aquarius (#2db0ce)Relative luminance 0.324

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf321d

#1dbf83 · #1d58bf

#bf1da9 · #a9bf1d

Split-complementary

Open in tool →

#bf1d58 · #bf831d

#831dbf · #bf321d · #58bf1d

Contrast

#1da9bf as textRatioAAAA largeAAAFix
Aaon white
2.81:1failfailfail
  • AA: use #168292 as the text (4.52:1)
  • AAA: use #105e6a as the text (7.42:1)
  • AA: or shift the background to #333333 (4.5:1)
  • AAA: or shift the background to #0a0a0a (7.05:1)
Aaon black
7.48:1passpasspassPasses 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 #1da9bf as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#1da9bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1da9bf
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 #1da9bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1da9bf-a2b7be-df4e81-1f252d-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