Color

#2779fc

#2779fc
hex#2779fc
rgbrgb(39, 121, 252)
hslhsl(217, 97%, 57%)
oklchoklch(0.603 0.211 259.9)
Closest name: Azure (#007fff)Relative luminance 0.2113

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fcaa27

#27e3fc · #4027fc

#fc2779 · #79fc27

Split-complementary

Open in tool →

#fc4027 · #e3fc27

#fc27e3 · #fcaa27 · #27fc40

Contrast

#2779fc as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • AA: use #136cfb as the text (4.6:1)
  • AAA: use #034fc9 as the text (7.08:1)
  • AA: or shift the background to #141414 (4.59:1)
Aaon black
5.23:1passpassfail
  • AAA: use #5495fc as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2779fc as the background.

Brands using this color

Fonts for this mood

#2779fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2779fc
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 #2779fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2779fc-9ca7c4-df624e-201f2d-e9f0f1?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