Color

#4223cd

#4223cd
hex#4223cd
rgbrgb(66, 35, 205)
hslhsl(251, 71%, 47%)
oklchoklch(0.434 0.236 278.4)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0677

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aecd23

#2359cd · #9723cd

#cd4223 · #23cd42

Split-complementary

Open in tool →

#cd9723 · #59cd23

#cd2359 · #aecd23 · #23cd97

Contrast

#4223cd as textRatioAAAA largeAAAFix
Aaon white
8.92:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #7a62e4 as the text (4.69:1)
  • AAA: use #9b89eb as the text (7.17:1)
  • AA: or shift the background to #bababa (4.6:1)
  • AAA: or shift the background to #e6e6e6 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4223cd as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#4223cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4223cd
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 #4223cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4223cd-a89cc4-dfb34e-281f2d-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