Color

#2fa8e9

#2fa8e9
hex#2fa8e9
rgbrgb(47, 168, 233)
hslhsl(201, 81%, 55%)
oklchoklch(0.696 0.14 238)
Closest name: Cerulean (#55aaee)Relative luminance 0.3449

Colors that go with #2fa8e9

Charcoal, Peru 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 →

#e9702f

#2fe9cd · #2f4be9

#e92fa8 · #a8e92f

Split-complementary

Open in tool →

#e92f4b · #e9cd2f

#cd2fe9 · #e9702f · #4be92f

Contrast

#2fa8e9 as textRatioAAAA largeAAAFix
Aaon white
2.66:1failfailfail
  • AA: use #137cb4 as the text (4.6:1)
  • AAA: use #0e5c86 as the text (7.26:1)
  • AA: or shift the background to #363636 (4.55:1)
  • AAA: or shift the background to #121212 (7.05:1)
Aaon black
7.9:1passpasspassPasses 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 #2fa8e9 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2fa8e9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2fa8e9
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 #2fa8e9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2fa8e9-9cb1c4-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