Color

#0cb5ed

#0cb5ed
hex#0cb5ed
rgbrgb(12, 181, 237)
hslhsl(195, 90%, 49%)
oklchoklch(0.724 0.142 229.7)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.3924

Colors that go with #0cb5ed

Charcoal, Amber and Dark Orange 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 →

#ed450c

#0cedb5 · #0c45ed

#ed0cb5 · #b5ed0c

Split-complementary

Open in tool →

#ed0c45 · #edb50c

#b50ced · #ed450c · #45ed0c

Contrast

#0cb5ed as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #097ea5 as the text (4.63:1)
  • AAA: use #07607e as the text (7.04:1)
  • AA: or shift the background to #3d3d3d (4.58:1)
  • AAA: or shift the background to #1c1c1c (7.18:1)
Aaon black
8.85:1passpasspassPasses 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 #0cb5ed as the background.

Brands using this color

Fonts for this mood

#0cb5ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0cb5ed
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 #0cb5ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0cb5ed-9cb5c4-df4e70-1f242d-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