Color

#4e5a74

#4e5a74
hex#4e5a74
rgbrgb(78, 90, 116)
hslhsl(221, 20%, 38%)
oklchoklch(0.468 0.045 265.4)
Closest name: Deep Indigo (#4c567a)Relative luminance 0.1019

Colors that go with #4e5a74

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 →

#74684e

#4e6d74 · #554e74

#744e5a · #5a744e

Split-complementary

Open in tool →

#74554e · #6d744e

#744e6d · #74684e · #4e7455

Contrast

#4e5a74 as textRatioAAAA largeAAAFix
Aaon white
6.91:1passpassfail
  • AAA: use #4b5771 as the text (7.24:1)
Aaon black
3.04:1failpassfail
  • AA: use #667699 as the text (4.62:1)
  • AAA: use #8b97b1 as the text (7.16:1)
  • AA: or shift the background to #d1d1d1 (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 #4e5a74 as the background.

Brands using this color

mcpConnect your agent — build around #4e5a74
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 #4e5a74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e5a74-9ca4c4-df6b4e-211f2d-e9eff1?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