Color

#2c28fb

#2c28fb
hex#2c28fb
rgbrgb(44, 40, 251)
hslhsl(241, 96%, 57%)
oklchoklch(0.479 0.288 269)
Closest name: C64 Blue (#003aff)Relative luminance 0.0902

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f7fb28

#288efb · #9528fb

#fb2c28 · #28fb2c

Split-complementary

Open in tool →

#fb9528 · #8efb28

#fb288e · #f7fb28 · #28fb95

Contrast

#2c28fb as textRatioAAAA largeAAAFix
Aaon white
7.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.8:1failfailfail
  • AA: use #625ffc as the text (4.56:1)
  • AAA: use #8e8cfd as the text (7.32:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c28fb as the background.

Brands using this color

Fonts for this mood

#2c28fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c28fb
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 #2c28fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c28fb-a19cc4-df9b4e-261f2d-e9edf1?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