Color

#4f5ec9

#4f5ec9
hex#4f5ec9
rgbrgb(79, 94, 201)
hslhsl(233, 53%, 55%)
oklchoklch(0.528 0.165 273.4)
Closest name: God of Rain (#4466cc)Relative luminance 0.1388

Colors that go with #4f5ec9

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 →

#c9bb4f

#4f9ac9 · #7e4fc9

#c94f5e · #5ec94f

Split-complementary

Open in tool →

#c97e4f · #9ac94f

#c94f9a · #c9bb4f · #4fc97e

Contrast

#4f5ec9 as textRatioAAAA largeAAAFix
Aaon white
5.56:1passpassfail
  • AAA: use #3b4abf as the text (7.2:1)
Aaon black
3.78:1failpassfail
  • AA: use #5f6cce as the text (4.52:1)
  • AAA: use #8690da as the text (7.02:1)
  • AA: or shift the background to #e8e8e8 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f5ec9 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

#4f5ec9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f5ec9
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 #4f5ec9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f5ec9-9c9cc4-df884e-241f2d-e9eef1?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