Color

#00aeff

#00aeff
hex#00aeff
rgbrgb(0, 174, 255)
hslhsl(199, 100%, 50%)
oklchoklch(0.716 0.165 240.2)
Closest name: Cerulean (#55aaee)Relative luminance 0.3749

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff5100

#00ffd0 · #002fff

#ff00ae · #aeff00

Split-complementary

Open in tool →

#ff002f · #ffd000

#d000ff · #ff5100 · #2fff00

Contrast

#00aeff as textRatioAAAA largeAAAFix
Aaon white
2.47:1failfailfail
  • AA: use #007db8 as the text (4.54:1)
  • AAA: use #005e8a as the text (7.08:1)
  • AA: or shift the background to #3b3b3b (4.53:1)
  • AAA: or shift the background to #1a1a1a (7.04:1)
Aaon black
8.5:1passpasspassPasses 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 #00aeff as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#00aeff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00aeff
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 #00aeff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00aeff-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