Color

#2d8bd7

#2d8bd7
hex#2d8bd7
rgbrgb(45, 139, 215)
hslhsl(207, 68%, 51%)
oklchoklch(0.619 0.143 247.6)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2393

Colors that go with #2d8bd7

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 →

#d77a2d

#2dd7cf · #2d36d7

#d72d8b · #8bd72d

Split-complementary

Open in tool →

#d72d36 · #d7cf2d

#cf2dd7 · #d77a2d · #36d72d

Contrast

#2d8bd7 as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #2478bc as the text (4.68:1)
  • AAA: use #1b5a8d as the text (7.26:1)
  • AA: or shift the background to #1f1f1f (4.54:1)
Aaon black
5.79:1passpassfail
  • AAA: use #4b9bdd as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d8bd7 as the background.

Brands using this color

Fonts for this mood

#2d8bd7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d8bd7
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 #2d8bd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d8bd7-9cadc4-df4e53-1f212d-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