Color

#2b8bd4

#2b8bd4
hex#2b8bd4
rgbrgb(43, 139, 212)
hslhsl(206, 66%, 50%)
oklchoklch(0.617 0.14 246.3)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2373

Colors that go with #2b8bd4

Charcoal, Crimson and Copper 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 →

#d4742b

#2bd4c8 · #2b37d4

#d42b8b · #8bd42b

Split-complementary

Open in tool →

#d42b37 · #d4c82b

#c82bd4 · #d4742b · #37d42b

Contrast

#2b8bd4 as textRatioAAAA largeAAAFix
Aaon white
3.65:1failpassfail
  • AA: use #267aba as the text (4.59:1)
  • AAA: use #1d5c8c as the text (7.09:1)
  • AA: or shift the background to #1f1f1f (4.51:1)
Aaon black
5.75:1passpassfail
  • AAA: use #4d9ddb as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b8bd4 as the background.

Brands using this color

Fonts for this mood

#2b8bd4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b8bd4
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 #2b8bd4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b8bd4-9caec4-df4e56-1f212d-e9f1f1?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