Color

#1aa4f9

#1aa4f9
hex#1aa4f9
rgbrgb(26, 164, 249)
hslhsl(203, 95%, 54%)
oklchoklch(0.692 0.164 243.9)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3361

Colors that go with #1aa4f9

Charcoal, Medium Sea Green and Tomato 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 →

#f9701a

#1af9df · #1a34f9

#f91aa4 · #a4f91a

Split-complementary

Open in tool →

#f91a34 · #f9df1a

#df1af9 · #f9701a · #34f91a

Contrast

#1aa4f9 as textRatioAAAA largeAAAFix
Aaon white
2.72:1failfailfail
  • AA: use #0579c2 as the text (4.65:1)
  • AAA: use #045a90 as the text (7.32:1)
  • AA: or shift the background to #333333 (4.65:1)
  • AAA: or shift the background to #0f0f0f (7.05:1)
Aaon black
7.72:1passpasspassPasses 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 #1aa4f9 as the background.

Brands using this color

Fonts for this mood

#1aa4f9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1aa4f9
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 #1aa4f9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1aa4f9-9cb0c4-df4e5d-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