Color

#2aadea

#2aadea
hex#2aadea
rgbrgb(42, 173, 234)
hslhsl(199, 82%, 54%)
oklchoklch(0.707 0.139 234.9)
Closest name: Cerulean (#55aaee)Relative luminance 0.3632

Colors that go with #2aadea

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 →

#ea662a

#2aeac7 · #2a4dea

#ea2aad · #adea2a

Split-complementary

Open in tool →

#ea2a4d · #eac72a

#c72aea · #ea662a · #4dea2a

Contrast

#2aadea as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #117eb0 as the text (4.53:1)
  • AAA: use #0d5d82 as the text (7.23:1)
  • AA: or shift the background to #383838 (4.61:1)
  • AAA: or shift the background to #171717 (7.06:1)
Aaon black
8.26:1passpasspassPasses 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 #2aadea as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/2aadea-9cb3c4-df4e66-1f232d-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