Color

#2e81bd

#2e81bd
hex#2e81bd
rgbrgb(46, 129, 189)
hslhsl(205, 61%, 46%)
oklchoklch(0.582 0.121 244.3)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1996

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd692e

#2ebdb1 · #2e3abd

#bd2e81 · #81bd2e

Split-complementary

Open in tool →

#bd2e3a · #bdb12e

#b12ebd · #bd692e · #3abd2e

Contrast

#2e81bd as textRatioAAAA largeAAAFix
Aaon white
4.21:1failpassfail
  • AA: use #2c7cb5 as the text (4.51:1)
  • AAA: use #215d87 as the text (7.05:1)
  • AA: or shift the background to #0f0f0f (4.56:1)
Aaon black
4.99:1passpassfail
  • AAA: use #4e9cd4 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 #2e81bd 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

#2e81bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e81bd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2e81bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e81bd-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