Color

#2fb3ca

#2fb3ca
hex#2fb3ca
rgbrgb(47, 179, 202)
hslhsl(189, 62%, 49%)
oklchoklch(0.708 0.113 212.3)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3711

Colors that go with #2fb3ca

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 →

#ca472f

#2fca94 · #2f66ca

#ca2fb3 · #b3ca2f

Split-complementary

Open in tool →

#ca2f66 · #ca942f

#942fca · #ca472f · #66ca2f

Contrast

#2fb3ca as textRatioAAAA largeAAAFix
Aaon white
2.49:1failfailfail
  • AA: use #228091 as the text (4.6:1)
  • AAA: use #195f6b as the text (7.27:1)
  • AA: or shift the background to #383838 (4.7:1)
  • AAA: or shift the background to #171717 (7.19:1)
Aaon black
8.42:1passpasspassPasses 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 #2fb3ca as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2fb3ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2fb3ca
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 #2fb3ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2fb3ca-a2b7be-df4e7e-1f252d-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