Color

#2b9cde

#2b9cde
hex#2b9cde
rgbrgb(43, 156, 222)
hslhsl(202, 73%, 52%)
oklchoklch(0.662 0.138 240.2)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2956

Colors that go with #2b9cde

Charcoal, Orange Red and Bronze 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 →

#de6d2b

#2bdec6 · #2b43de

#de2b9c · #9cde2b

Split-complementary

Open in tool →

#de2b43 · #dec62b

#c62bde · #de6d2b · #43de2b

Contrast

#2b9cde as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #1c7db5 as the text (4.52:1)
  • AAA: use #155e89 as the text (7.01:1)
  • AA: or shift the background to #2b2b2b (4.66:1)
Aaon black
6.91:1passpassfail
  • AAA: use #309edf as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b9cde as the background.

Brands using this color

Fonts for this mood

#2b9cde reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b9cde
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 #2b9cde and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b9cde-9cb1c4-df4e5f-1f222d-e9f1f0?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