Color

#4033cc

#4033cc
hex#4033cc
rgbrgb(64, 51, 204)
hslhsl(245, 60%, 50%)
oklchoklch(0.45 0.222 276.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0782

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfcc33

#3373cc · #8c33cc

#cc4033 · #33cc40

Split-complementary

Open in tool →

#cc8c33 · #73cc33

#cc3373 · #bfcc33 · #33cc8c

Contrast

#4033cc as textRatioAAAA largeAAAFix
Aaon white
8.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.56:1failfailfail
  • AA: use #7168d9 as the text (4.68:1)
  • AAA: use #948de2 as the text (7.17:1)
  • AA: or shift the background to #c2c2c2 (4.6:1)
  • AAA: or shift the background to #f0f0f0 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4033cc 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

#4033cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4033cc
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 #4033cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4033cc-a49cc4-dfa54e-261f2d-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