Color

#1aacea

#1aacea
hex#1aacea
rgbrgb(26, 172, 234)
hslhsl(198, 83%, 51%)
oklchoklch(0.703 0.143 234.3)
Closest name: Cerulean (#55aaee)Relative luminance 0.3567

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ea591a

#1aeac0 · #1a44ea

#ea1aac · #acea1a

Split-complementary

Open in tool →

#ea1a44 · #eac01a

#c01aea · #ea591a · #44ea1a

Contrast

#1aacea as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #107ead as the text (4.56:1)
  • AAA: use #0c5f83 as the text (7.05:1)
  • AA: or shift the background to #383838 (4.54:1)
  • AAA: or shift the background to #141414 (7.13:1)
Aaon black
8.13:1passpasspassPasses 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 #1aacea as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/1aacea-9cb3c4-df4e69-1f232d-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