Color

#0aa4eb

#0aa4eb
hex#0aa4eb
rgbrgb(10, 164, 235)
hslhsl(199, 92%, 48%)
oklchoklch(0.683 0.151 238.5)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3261

Colors that go with #0aa4eb

Charcoal, Bronze 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 →

#eb510a

#0aebc2 · #0a33eb

#eb0aa4 · #a4eb0a

Split-complementary

Open in tool →

#eb0a33 · #ebc20a

#c20aeb · #eb510a · #33eb0a

Contrast

#0aa4eb as textRatioAAAA largeAAAFix
Aaon white
2.79:1failfailfail
  • AA: use #087eb5 as the text (4.5:1)
  • AAA: use #065c84 as the text (7.31:1)
  • AA: or shift the background to #333333 (4.53:1)
  • AAA: or shift the background to #0a0a0a (7.09:1)
Aaon black
7.52:1passpasspassPasses 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 #0aa4eb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0aa4eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0aa4eb
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 #0aa4eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0aa4eb-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