Color

#4d559d

#4d559d
hex#4d559d
rgbrgb(77, 85, 157)
hslhsl(234, 34%, 46%)
oklchoklch(0.479 0.115 276.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1051

Colors that go with #4d559d

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 →

#9d954d

#4d7d9d · #6d4d9d

#9d4d55 · #559d4d

Split-complementary

Open in tool →

#9d6d4d · #7d9d4d

#9d4d7d · #9d954d · #4d9d6d

Contrast

#4d559d as textRatioAAAA largeAAAFix
Aaon white
6.77:1passpassfail
  • AAA: use #4a5296 as the text (7.15:1)
Aaon black
3.1:1failpassfail
  • AA: use #6970b5 as the text (4.59:1)
  • AAA: use #8e94c7 as the text (7.21:1)
  • AA: or shift the background to #d4d4d4 (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 #4d559d 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 #4d559d
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 #4d559d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d559d-9d9cc4-df8a4e-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