brandsweets

Color

#2878cc

#2878cc
hex#2878cc
rgbrgb(40, 120, 204)
hslhsl(211, 67%, 48%)
oklchoklch(0.568 0.15 253.1)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1824
CoolVividTechnicalModern
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
2878cccc7d28

#cc7d28

Analogous

Open in tool →
2878cc28cacc2b28cc

#28cacc · #2b28cc

Triadic

Open in tool →
2878cccc287878cc28

#cc2878 · #78cc28

Split-complementary

Open in tool →
2878cccc2b28cacc28

#cc2b28 · #cacc28

Tetradic

Open in tool →
2878cccc28cacc7d2828cc2b

#cc28ca · #cc7d28 · #28cc2b

Contrast

#2878cc as textRatioAAAA largeAAAFix
Aaon white
4.52:1passpassfail
  • AAA: use #1e5a99 as the text (7.05:1)
Aaon black
4.65:1passpassfail
  • AAA: use #5999de as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2878cc as the background.

Brands using this color

Fonts for this mood

#2878cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #2878cc
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 #2878cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2878cc-9cabc4-df534e-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