Color

#1da1bf

#1da1bf
hex#1da1bf
rgbrgb(29, 161, 191)
hslhsl(191, 74%, 43%)
oklchoklch(0.657 0.113 218.3)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2951

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf3a1d

#1dbf8b · #1d50bf

#bf1da1 · #a1bf1d

Split-complementary

Open in tool →

#bf1d50 · #bf8b1d

#8b1dbf · #bf3a1d · #50bf1d

Contrast

#1da1bf as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #177f97 as the text (4.65:1)
  • AAA: use #116173 as the text (7.04:1)
  • AA: or shift the background to #2b2b2b (4.65:1)
Aaon black
6.9:1passpassfail
  • AAA: use #1da5c3 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1da1bf 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

#1da1bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1da1bf
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 #1da1bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1da1bf-a2b6be-df4e7a-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