Color

#4d4bdd

#4d4bdd
hex#4d4bdd
rgbrgb(77, 75, 221)
hslhsl(241, 68%, 58%)
oklchoklch(0.51 0.215 276.2)
Closest name: Blurple (#5539cc)Relative luminance 0.1183

Colors that go with #4d4bdd

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dadd4b

#4b91dd · #964bdd

#dd4d4b · #4bdd4d

Split-complementary

Open in tool →

#dd964b · #91dd4b

#dd4b91 · #dadd4b · #4bdd96

Contrast

#4d4bdd as textRatioAAAA largeAAAFix
Aaon white
6.24:1passpassfail
  • AAA: use #413eda as the text (7.18:1)
Aaon black
3.37:1failpassfail
  • AA: use #6765e2 as the text (4.54:1)
  • AAA: use #8d8be9 as the text (7:1)
  • AA: or shift the background to #dbdbdb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d4bdd as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#4d4bdd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d4bdd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4d4bdd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d4bdd-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