Color

#1ba1bb

#1ba1bb
hex#1ba1bb
rgbrgb(27, 161, 187)
hslhsl(190, 75%, 42%)
oklchoklch(0.655 0.111 215.4)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2931

Colors that go with #1ba1bb

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 #1ba1bb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb361b

#1bbb86 · #1b50bb

#bb1ba1 · #a1bb1b

Split-complementary

Open in tool →

#bb1b50 · #bb861b

#861bbb · #bb361b · #50bb1b

Contrast

#1ba1bb as textRatioAAAA largeAAAFix
Aaon white
3.06:1failpassfail
  • AA: use #157e93 as the text (4.73:1)
  • AAA: use #106070 as the text (7.17:1)
  • AA: or shift the background to #2b2b2b (4.63:1)
Aaon black
6.86:1passpassfail
  • AAA: use #1ba4c0 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1ba1bb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1ba1bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1ba1bb
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 #1ba1bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ba1bb-a2b6be-df4e7c-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