Color

#4e5b74

#4e5b74
hex#4e5b74
rgbrgb(78, 91, 116)
hslhsl(219, 20%, 38%)
oklchoklch(0.47 0.044 263.3)
Closest name: Deep Indigo (#4c567a)Relative luminance 0.1036

Colors that go with #4e5b74

Cadet Blue, Copper and Goldenrod 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 #4e5b74

Tints & shades

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

Harmonies

Complementary

Open in tool →

#74674e

#4e6e74 · #534e74

#744e5b · #5b744e

Split-complementary

Open in tool →

#74534e · #6e744e

#744e6e · #74674e · #4e7453

Contrast

#4e5b74 as textRatioAAAA largeAAAFix
Aaon white
6.83:1passpassfail
  • AAA: use #4b5971 as the text (7.08:1)
Aaon black
3.07:1failpassfail
  • AA: use #647596 as the text (4.53:1)
  • AAA: use #8896af as the text (7.03:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e5b74 as the background.

Brands using this color

mcpConnect your agent — build around #4e5b74
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 #4e5b74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e5b74-9ca5c4-df664e-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