Color

#0ea9c8

#0ea9c8
hex#0ea9c8
rgbrgb(14, 169, 200)
hslhsl(190, 87%, 42%)
oklchoklch(0.678 0.12 217.4)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3264

Colors that go with #0ea9c8

Charcoal, Tomato and Amber 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 #0ea9c8

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c82d0e

#0ec88a · #0e4cc8

#c80ea9 · #a9c80e

Split-complementary

Open in tool →

#c80e4c · #c88a0e

#8a0ec8 · #c82d0e · #4cc80e

Contrast

#0ea9c8 as textRatioAAAA largeAAAFix
Aaon white
2.79:1failfailfail
  • AA: use #0b8199 as the text (4.55:1)
  • AAA: use #086172 as the text (7.09:1)
  • AA: or shift the background to #333333 (4.53:1)
  • AAA: or shift the background to #0a0a0a (7.1:1)
Aaon black
7.53:1passpasspassPasses 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 #0ea9c8 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0ea9c8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0ea9c8
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 #0ea9c8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0ea9c8-a2b6be-df4e7c-1f252d-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