Color

#01b7cb

#01b7cb
hex#01b7cb
rgbrgb(1, 183, 203)
hslhsl(186, 99%, 40%)
oklchoklch(0.713 0.123 208.6)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3819

Colors that go with #01b7cb

Charcoal, Dark Orange 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb1501

#01cb7a · #0152cb

#cb01b7 · #b7cb01

Split-complementary

Open in tool →

#cb0152 · #cb7a01

#7a01cb · #cb1501 · #52cb01

Contrast

#01b7cb as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #01808e as the text (4.69:1)
  • AAA: use #01606b as the text (7.27:1)
  • AA: or shift the background to #3b3b3b (4.61:1)
  • AAA: or shift the background to #1c1c1c (7.01:1)
Aaon black
8.64:1passpasspassPasses 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 #01b7cb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#01b7cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01b7cb
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 #01b7cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01b7cb-a2b8be-df4e86-1f262d-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