Color

#2aa0ef

#2aa0ef
hex#2aa0ef
rgbrgb(42, 160, 239)
hslhsl(204, 86%, 55%)
oklchoklch(0.68 0.153 244)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3187

Colors that go with #2aa0ef

Charcoal, Tomato and Bronze 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 →

#ef792a

#2aefdb · #2a3def

#ef2aa0 · #a0ef2a

Split-complementary

Open in tool →

#ef2a3d · #efdb2a

#db2aef · #ef792a · #3def2a

Contrast

#2aa0ef as textRatioAAAA largeAAAFix
Aaon white
2.85:1failfailfail
  • AA: use #0f7bc2 as the text (4.53:1)
  • AAA: use #0b5a8e as the text (7.32:1)
  • AA: or shift the background to #303030 (4.63:1)
  • AAA: or shift the background to #080808 (7.03:1)
Aaon black
7.37:1passpasspassPasses 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 #2aa0ef as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2aa0ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2aa0ef
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 #2aa0ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2aa0ef-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