Color

#2873bd

#2873bd
hex#2873bd
rgbrgb(40, 115, 189)
hslhsl(210, 65%, 45%)
oklchoklch(0.547 0.136 251.6)
Closest name: Campanula (#3473b7)Relative luminance 0.1639

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd7328

#28bdbd · #2828bd

#bd2873 · #73bd28

Split-complementary

Open in tool →

#bd2828 · #bdbd28

#bd28bd · #bd7328 · #28bd28

Contrast

#2873bd as textRatioAAAA largeAAAFix
Aaon white
4.91:1passpassfail
  • AAA: use #1f5993 as the text (7.22:1)
Aaon black
4.28:1failpassfail
  • AA: use #2a78c6 as the text (4.6:1)
  • AAA: use #5b9cdc as the text (7.23:1)
  • AA: or shift the background to #f5f5f5 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2873bd as the background.

Brands using this color

Fonts for this mood

#2873bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2873bd
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 #2873bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2873bd-9cabc4-df514e-1f202d-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