Color

#04aeec

#04aeec
hex#04aeec
rgbrgb(4, 174, 236)
hslhsl(196, 97%, 47%)
oklchoklch(0.707 0.146 233.2)
Closest name: Cerulean (#55aaee)Relative luminance 0.3635

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ec4204

#04ecb6 · #043aec

#ec04ae · #aeec04

Split-complementary

Open in tool →

#ec043a · #ecb604

#b604ec · #ec4204 · #3aec04

Contrast

#04aeec as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #037eab as the text (4.59:1)
  • AAA: use #025d7e as the text (7.32:1)
  • AA: or shift the background to #383838 (4.62:1)
  • AAA: or shift the background to #171717 (7.06:1)
Aaon black
8.27:1passpasspassPasses 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 #04aeec as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#04aeec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04aeec
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 #04aeec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04aeec-9cb5c4-df4e6e-1f232d-e9f1ef?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