Color

#2fb1ca

#2fb1ca
hex#2fb1ca
rgbrgb(47, 177, 202)
hslhsl(190, 62%, 49%)
oklchoklch(0.703 0.113 214)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3631

Colors that go with #2fb1ca

Charcoal, Tomato 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 →

#ca492f

#2fca97 · #2f63ca

#ca2fb1 · #b1ca2f

Split-complementary

Open in tool →

#ca2f63 · #ca972f

#972fca · #ca492f · #63ca2f

Contrast

#2fb1ca as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #227e91 as the text (4.71:1)
  • AAA: use #1a6170 as the text (7.03:1)
  • AA: or shift the background to #383838 (4.61:1)
  • AAA: or shift the background to #171717 (7.05:1)
Aaon black
8.26:1passpasspassPasses 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 #2fb1ca as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2fb1ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2fb1ca
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 #2fb1ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2fb1ca-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