Color

#2fb4e4

#2fb4e4
hex#2fb4e4
rgbrgb(47, 180, 228)
hslhsl(196, 77%, 54%)
oklchoklch(0.722 0.129 227.9)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.3885

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e4602f

#2fe4ba · #2f5ae4

#e42fb4 · #b4e42f

Split-complementary

Open in tool →

#e42f5a · #e4ba2f

#ba2fe4 · #e4602f · #5ae42f

Contrast

#2fb4e4 as textRatioAAAA largeAAAFix
Aaon white
2.39:1failfailfail
  • AA: use #157da2 as the text (4.68:1)
  • AAA: use #105e7a as the text (7.23:1)
  • AA: or shift the background to #3d3d3d (4.54:1)
  • AAA: or shift the background to #1c1c1c (7.12:1)
Aaon black
8.77:1passpasspassPasses 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 #2fb4e4 as the background.

Brands using this color

Fonts for this mood

#2fb4e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2fb4e4
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2fb4e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2fb4e4-9cb5c4-df4e6e-1f232d-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