Color

#4d5c7a

#4d5c7a
hex#4d5c7a
rgbrgb(77, 92, 122)
hslhsl(220, 23%, 39%)
oklchoklch(0.474 0.052 263.9)
Closest name: Deep Indigo (#4c567a)Relative luminance 0.1064

Colors that go with #4d5c7a

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a6b4d

#4d737a · #544d7a

#7a4d5c · #5c7a4d

Split-complementary

Open in tool →

#7a544d · #737a4d

#7a4d73 · #7a6b4d · #4d7a54

Contrast

#4d5c7a as textRatioAAAA largeAAAFix
Aaon white
6.71:1passpassfail
  • AAA: use #4b5977 as the text (7.01:1)
Aaon black
3.13:1failpassfail
  • AA: use #62769d as the text (4.6:1)
  • AAA: use #8897b4 as the text (7.13:1)
  • AA: or shift the background to #d4d4d4 (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 #4d5c7a as the background.

Brands using this color

mcpConnect your agent — build around #4d5c7a
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 #4d5c7a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d5c7a-9ca5c4-df694e-211f2d-e9f0f1?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