Color

#0ea4cd

#0ea4cd
hex#0ea4cd
rgbrgb(14, 164, 205)
hslhsl(193, 87%, 43%)
oklchoklch(0.669 0.124 224.3)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.3105

Colors that go with #0ea4cd

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.

Real palettes that use #0ea4cd

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd380e

#0ecd97 · #0e44cd

#cd0ea4 · #a4cd0e

Split-complementary

Open in tool →

#cd0e44 · #cd970e

#970ecd · #cd380e · #44cd0e

Contrast

#0ea4cd as textRatioAAAA largeAAAFix
Aaon white
2.91:1failfailfail
  • AA: use #0b7e9d as the text (4.68:1)
  • AAA: use #085f77 as the text (7.21:1)
  • AA: or shift the background to #303030 (4.53:1)
  • AAA: or shift the background to #030303 (7.08:1)
Aaon black
7.21:1passpasspassPasses 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 #0ea4cd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0ea4cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0ea4cd
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 #0ea4cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0ea4cd-a2b5be-df4e75-1f242d-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