Color

#2faff4

#2faff4
hex#2faff4
rgbrgb(47, 175, 244)
hslhsl(201, 90%, 57%)
oklchoklch(0.718 0.146 238.3)
Closest name: Cerulean (#55aaee)Relative luminance 0.378

Colors that go with #2faff4

Charcoal, Dark Orange 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f4742f

#2ff4d6 · #2f4cf4

#f42faf · #aff42f

Split-complementary

Open in tool →

#f42f4c · #f4d62f

#d62ff4 · #f4742f · #4cf42f

Contrast

#2faff4 as textRatioAAAA largeAAAFix
Aaon white
2.45:1failfailfail
  • AA: use #0a7bb8 as the text (4.63:1)
  • AAA: use #075e8d as the text (7.01:1)
  • AA: or shift the background to #3b3b3b (4.57:1)
  • AAA: or shift the background to #1a1a1a (7.09:1)
Aaon black
8.56:1passpasspassPasses 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 #2faff4 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2faff4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2faff4
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 #2faff4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2faff4-9cb1c4-df4e62-1f222d-e9f1f0?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