Color

#4a7378

#4a7378
hex#4a7378
rgbrgb(74, 115, 120)
hslhsl(187, 24%, 38%)
oklchoklch(0.527 0.046 205.6)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1507

Colors that go with #4a7378

Charcoal, Sienna 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.

Real palettes that use #4a7378

Tints & shades

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

Harmonies

Complementary

Open in tool →

#784f4a

#4a7866 · #4a5b78

#784a73 · #73784a

Split-complementary

Open in tool →

#784a5b · #78664a

#664a78 · #784f4a · #5b784a

Contrast

#4a7378 as textRatioAAAA largeAAAFix
Aaon white
5.23:1passpassfail
  • AAA: use #3c5e62 as the text (7.07:1)
Aaon black
4.01:1failpassfail
  • AA: use #4f7c82 as the text (4.54:1)
  • AAA: use #6e9fa6 as the text (7.17:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4a7378 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 #4a7378
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 #4a7378 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a7378-a2b8be-df4e83-1f262d-e9f1ee?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