Color

#01b2da

#01b2da
hex#01b2da
rgbrgb(1, 178, 218)
hslhsl(191, 99%, 43%)
oklchoklch(0.708 0.13 221.6)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3691

Colors that go with #01b2da

Charcoal, Amber and Denim 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 #01b2da

Tints & shades

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

Harmonies

Complementary

Open in tool →

#da2901

#01da95 · #0146da

#da01b2 · #b2da01

Split-complementary

Open in tool →

#da0146 · #da9501

#9501da · #da2901 · #46da01

Contrast

#01b2da as textRatioAAAA largeAAAFix
Aaon white
2.51:1failfailfail
  • AA: use #01819d as the text (4.54:1)
  • AAA: use #015f75 as the text (7.25:1)
  • AA: or shift the background to #383838 (4.68:1)
  • AAA: or shift the background to #171717 (7.16:1)
Aaon black
8.38:1passpasspassPasses 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 #01b2da as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#01b2da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01b2da
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 #01b2da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01b2da-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