Color

#4f5ea1

#4f5ea1
hex#4f5ea1
rgbrgb(79, 94, 161)
hslhsl(229, 34%, 47%)
oklchoklch(0.502 0.108 272.4)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1224

Colors that go with #4f5ea1

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 →

#a1924f

#4f87a1 · #694fa1

#a14f5e · #5ea14f

Split-complementary

Open in tool →

#a1694f · #87a14f

#a14f87 · #a1924f · #4fa169

Contrast

#4f5ea1 as textRatioAAAA largeAAAFix
Aaon white
6.09:1passpassfail
  • AAA: use #475490 as the text (7.15:1)
Aaon black
3.45:1failpassfail
  • AA: use #6574b3 as the text (4.7:1)
  • AAA: use #8793c4 as the text (7:1)
  • AA: or shift the background to #dedede (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f5ea1 as the background.

Brands using this color

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

mcpConnect your agent — build around #4f5ea1
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 #4f5ea1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f5ea1-9c9fc4-df7e4e-231f2d-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