Color

#4d537a

#4d537a
hex#4d537a
rgbrgb(77, 83, 122)
hslhsl(232, 23%, 39%)
oklchoklch(0.454 0.064 276.8)
Closest name: Deep Indigo (#4c567a)Relative luminance 0.0917

Colors that go with #4d537a

Sea Green, Steel Blue and Blue 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.

Real palettes that use #4d537a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a744d

#4d6a7a · #5d4d7a

#7a4d53 · #537a4d

Split-complementary

Open in tool →

#7a5d4d · #6a7a4d

#7a4d6a · #7a744d · #4d7a5d

Contrast

#4d537a as textRatioAAAA largeAAAFix
Aaon white
7.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.83:1failfailfail
  • AA: use #6c73a3 as the text (4.62:1)
  • AAA: use #8e94b8 as the text (7.08:1)
  • AA: or shift the background to #cccccc (4.61:1)
  • AAA: or shift the background to #fafafa (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d537a as the background.

Brands using this color

mcpConnect your agent — build around #4d537a
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 #4d537a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d537a-9c9dc4-df864e-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