Color

#4d30cf

#4d30cf
hex#4d30cf
rgbrgb(77, 48, 207)
hslhsl(251, 62%, 50%)
oklchoklch(0.459 0.226 281.1)
Closest name: Blurple (#5539cc)Relative luminance 0.082

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b2cf30

#3063cf · #9c30cf

#cf4d30 · #30cf4d

Split-complementary

Open in tool →

#cf9c30 · #63cf30

#cf3063 · #b2cf30 · #30cf9c

Contrast

#4d30cf as textRatioAAAA largeAAAFix
Aaon white
7.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.64:1failfailfail
  • AA: use #7862da as the text (4.56:1)
  • AAA: use #9c8be4 as the text (7.23:1)
  • AA: or shift the background to #c4c4c4 (4.56:1)
  • AAA: or shift the background to #f2f2f2 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d30cf 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

#4d30cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d30cf
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 #4d30cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d30cf-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