Color

#2b80ca

#2b80ca
hex#2b80ca
rgbrgb(43, 128, 202)
hslhsl(208, 65%, 48%)
oklchoklch(0.586 0.139 249.1)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2022

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca752b

#2bcac5 · #2b30ca

#ca2b80 · #80ca2b

Split-complementary

Open in tool →

#ca2b30 · #cac52b

#c52bca · #ca752b · #30ca2b

Contrast

#2b80ca as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #297ac2 as the text (4.51:1)
  • AAA: use #1e5a8f as the text (7.21:1)
  • AA: or shift the background to #0f0f0f (4.6:1)
Aaon black
5.04:1passpassfail
  • AAA: use #529bda as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b80ca as the background.

Brands using this color

Fonts for this mood

#2b80ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b80ca
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 #2b80ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b80ca-9cadc4-df4e51-1f212d-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