Color

#4f4dcb

#4f4dcb
hex#4f4dcb
rgbrgb(79, 77, 203)
hslhsl(241, 55%, 55%)
oklchoklch(0.499 0.19 277.7)
Closest name: Blurple (#5539cc)Relative luminance 0.1128

Colors that go with #4f4dcb

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 →

#c9cb4d

#4d8acb · #8e4dcb

#cb4f4d · #4dcb4f

Split-complementary

Open in tool →

#cb8e4d · #8acb4d

#cb4d8a · #c9cb4d · #4dcb8e

Contrast

#4f4dcb as textRatioAAAA largeAAAFix
Aaon white
6.45:1passpassfail
  • AAA: use #4745c9 as the text (7.09:1)
Aaon black
3.26:1failpassfail
  • AA: use #6b69d3 as the text (4.59:1)
  • AAA: use #9290df as the text (7.28:1)
  • AA: or shift the background to #d9d9d9 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f4dcb as the background.

Brands using this color

Fonts for this mood

#4f4dcb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f4dcb
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 #4f4dcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f4dcb-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