Color

#2ca5ba

#2ca5ba
hex#2ca5ba
rgbrgb(44, 165, 186)
hslhsl(189, 62%, 45%)
oklchoklch(0.667 0.106 212.2)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.3099

Colors that go with #2ca5ba

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba412c

#2cba88 · #2c5dba

#ba2ca5 · #a5ba2c

Split-complementary

Open in tool →

#ba2c5d · #ba882c

#882cba · #ba412c · #5dba2c

Contrast

#2ca5ba as textRatioAAAA largeAAAFix
Aaon white
2.92:1failfailfail
  • AA: use #228091 as the text (4.6:1)
  • AAA: use #195f6b as the text (7.27:1)
  • AA: or shift the background to #303030 (4.52:1)
  • AAA: or shift the background to #030303 (7.07:1)
Aaon black
7.2:1passpasspassPasses 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 #2ca5ba as the background.

Brands using this color

Fonts for this mood

#2ca5ba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2ca5ba
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 #2ca5ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2ca5ba-a2b7be-df4e7e-1f252d-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