Color

#0ea8b9

#0ea8b9
hex#0ea8b9
rgbrgb(14, 168, 185)
hslhsl(186, 86%, 39%)
oklchoklch(0.67 0.113 207.7)
Closest name: Aquarius (#2db0ce)Relative luminance 0.316

Colors that go with #0ea8b9

Charcoal, Tomato and Denim 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 #0ea8b9

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b91f0e

#0eb975 · #0e52b9

#b90ea8 · #a8b90e

Split-complementary

Open in tool →

#b90e52 · #b9750e

#750eb9 · #b91f0e · #52b90e

Contrast

#0ea8b9 as textRatioAAAA largeAAAFix
Aaon white
2.87:1failfailfail
  • AA: use #0b818e as the text (4.62:1)
  • AAA: use #085f68 as the text (7.38:1)
  • AA: or shift the background to #303030 (4.6:1)
  • AAA: or shift the background to #050505 (7.1:1)
Aaon black
7.32:1passpasspassPasses 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 #0ea8b9 as the background.

Brands using this color

Fonts for this mood

#0ea8b9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0ea8b9
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 #0ea8b9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0ea8b9-a2b8be-df4e86-1f262d-e9f1ee?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