Color

#2d81be

#2d81be
hex#2d81be
rgbrgb(45, 129, 190)
hslhsl(205, 62%, 46%)
oklchoklch(0.582 0.123 244.5)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1998

Colors that go with #2d81be

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 →

#be692d

#2dbeb2 · #2d39be

#be2d81 · #81be2d

Split-complementary

Open in tool →

#be2d39 · #beb22d

#b22dbe · #be692d · #39be2d

Contrast

#2d81be as textRatioAAAA largeAAAFix
Aaon white
4.2:1failpassfail
  • AA: use #2b7cb6 as the text (4.51:1)
  • AAA: use #205d88 as the text (7.04:1)
  • AA: or shift the background to #0f0f0f (4.56:1)
Aaon black
5:1passpassfail
  • AAA: use #4d9dd5 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d81be as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2d81be reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d81be
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 #2d81be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d81be-9cafc4-df4e58-1f212d-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