Color

#2b9ec5

#2b9ec5
hex#2b9ec5
rgbrgb(43, 158, 197)
hslhsl(195, 64%, 47%)
oklchoklch(0.654 0.113 226)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.29

Colors that go with #2b9ec5

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 #2b9ec5

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c5512b

#2bc59e · #2b51c5

#c52b9e · #9ec52b

Split-complementary

Open in tool →

#c52b51 · #c59e2b

#9e2bc5 · #c5512b · #51c52b

Contrast

#2b9ec5 as textRatioAAAA largeAAAFix
Aaon white
3.09:1failpassfail
  • AA: use #23809f as the text (4.51:1)
  • AAA: use #1a5e75 as the text (7.24:1)
  • AA: or shift the background to #2b2b2b (4.58:1)
Aaon black
6.8:1passpassfail
  • AAA: use #2ca2c9 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b9ec5 as the background.

Brands using this color

Fonts for this mood

#2b9ec5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b9ec5
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 #2b9ec5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b9ec5-9cb5c4-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