Color

#2ba9fd

#2ba9fd
hex#2ba9fd
rgbrgb(43, 169, 253)
hslhsl(204, 98%, 58%)
oklchoklch(0.708 0.161 244.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.3598

Colors that go with #2ba9fd

Charcoal, Amber and Blue 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 →

#fd7f2b

#2bfde8 · #2b40fd

#fd2ba9 · #a9fd2b

Split-complementary

Open in tool →

#fd2b40 · #fde82b

#e82bfd · #fd7f2b · #40fd2b

Contrast

#2ba9fd as textRatioAAAA largeAAAFix
Aaon white
2.56:1failfailfail
  • AA: use #027aca as the text (4.53:1)
  • AAA: use #025b97 as the text (7.13:1)
  • AA: or shift the background to #383838 (4.58:1)
  • AAA: or shift the background to #141414 (7.19:1)
Aaon black
8.2:1passpasspassPasses 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 #2ba9fd as the background.

Brands using this color

Fonts for this mood

#2ba9fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2ba9fd
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 #2ba9fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2ba9fd-9cafc4-df4e5a-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