Color

#2a80cf

#2a80cf
hex#2a80cf
rgbrgb(42, 128, 207)
hslhsl(209, 66%, 49%)
oklchoklch(0.589 0.145 250.4)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2044

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf7a2a

#2acfcd · #2a2dcf

#cf2a80 · #80cf2a

Split-complementary

Open in tool →

#cf2a2d · #cfcd2a

#cd2acf · #cf7a2a · #2dcf2a

Contrast

#2a80cf as textRatioAAAA largeAAAFix
Aaon white
4.13:1failpassfail
  • AA: use #2878c3 as the text (4.6:1)
  • AAA: use #1e5b94 as the text (7.05:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #569bdc as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a80cf as the background.

Brands using this color

Fonts for this mood

#2a80cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a80cf
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 #2a80cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a80cf-9cacc4-df4e4e-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