Color

#0caaed

#0caaed
hex#0caaed
rgbrgb(12, 170, 237)
hslhsl(198, 90%, 49%)
oklchoklch(0.698 0.149 236.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.3494

Colors that go with #0caaed

Charcoal, Amber and Blue 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 →

#ed500c

#0cedc0 · #0c39ed

#ed0caa · #aaed0c

Split-complementary

Open in tool →

#ed0c39 · #edc00c

#c00ced · #ed500c · #39ed0c

Contrast

#0caaed as textRatioAAAA largeAAAFix
Aaon white
2.63:1failfailfail
  • AA: use #097dae as the text (4.61:1)
  • AAA: use #075e83 as the text (7.15:1)
  • AA: or shift the background to #363636 (4.6:1)
  • AAA: or shift the background to #141414 (7.01:1)
Aaon black
7.99:1passpasspassPasses 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 #0caaed as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0caaed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0caaed
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 #0caaed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0caaed-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