Color

#2d9cd7

#2d9cd7
hex#2d9cd7
rgbrgb(45, 156, 215)
hslhsl(201, 68%, 51%)
oklchoklch(0.659 0.13 237.5)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2924

Colors that go with #2d9cd7

Charcoal, Orange Red 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d7692d

#2dd7be · #2d47d7

#d72d9c · #9cd72d

Split-complementary

Open in tool →

#d72d47 · #d7be2d

#be2dd7 · #d7692d · #47d72d

Contrast

#2d9cd7 as textRatioAAAA largeAAAFix
Aaon white
3.07:1failpassfail
  • AA: use #217bab as the text (4.68:1)
  • AAA: use #185c81 as the text (7.27:1)
  • AA: or shift the background to #2b2b2b (4.62:1)
Aaon black
6.85:1passpassfail
  • AAA: use #319ed8 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d9cd7 as the background.

Brands using this color

Fonts for this mood

#2d9cd7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d9cd7
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 #2d9cd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d9cd7-9cb1c4-df4e62-1f222d-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