Color

#2403fc

#2403fc
hex#2403fc
rgbrgb(36, 3, 252)
hslhsl(248, 98%, 50%)
oklchoklch(0.457 0.304 267.8)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0747

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dbfc03

#035efc · #a103fc

#fc2403 · #03fc24

Split-complementary

Open in tool →

#fca103 · #5efc03

#fc035e · #dbfc03 · #03fca1

Contrast

#2403fc as textRatioAAAA largeAAAFix
Aaon white
8.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #735dfd as the text (4.71:1)
  • AAA: use #9686fe as the text (7.14:1)
  • AA: or shift the background to #bfbfbf (4.58:1)
  • AAA: or shift the background to #ebebeb (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 #2403fc as the background.

Brands using this color

Fonts for this mood

#2403fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2403fc
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 #2403fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2403fc-a69cc4-dfac4e-271f2d-e9ecf1?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