Color

#1aa5ef

#1aa5ef
hex#1aa5ef
rgbrgb(26, 165, 239)
hslhsl(201, 87%, 52%)
oklchoklch(0.689 0.152 240.2)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3336

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ef651a

#1aefcf · #1a3aef

#ef1aa5 · #a5ef1a

Split-complementary

Open in tool →

#ef1a3a · #efcf1a

#cf1aef · #ef651a · #3aef1a

Contrast

#1aa5ef as textRatioAAAA largeAAAFix
Aaon white
2.74:1failfailfail
  • AA: use #0d7dba as the text (4.51:1)
  • AAA: use #0a5d8a as the text (7.13:1)
  • AA: or shift the background to #333333 (4.62:1)
  • AAA: or shift the background to #0f0f0f (7:1)
Aaon black
7.67:1passpasspassPasses 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 #1aa5ef as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1aa5ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1aa5ef
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1aa5ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1aa5ef-9cb1c4-df4e62-1f222d-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