Color

#0caee9

#0caee9
hex#0caee9
rgbrgb(12, 174, 233)
hslhsl(196, 90%, 48%)
oklchoklch(0.706 0.142 232.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.3623

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e9470c

#0ce9b5 · #0c40e9

#e90cae · #aee90c

Split-complementary

Open in tool →

#e90c40 · #e9b50c

#b50ce9 · #e9470c · #40e90c

Contrast

#0caee9 as textRatioAAAA largeAAAFix
Aaon white
2.55:1failfailfail
  • AA: use #097faa as the text (4.54:1)
  • AAA: use #075e7e as the text (7.21:1)
  • AA: or shift the background to #383838 (4.6:1)
  • AAA: or shift the background to #171717 (7.04:1)
Aaon black
8.25:1passpasspassPasses 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 #0caee9 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0caee9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0caee9
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 #0caee9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0caee9-9cb5c4-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