Color

#4b5963

#4b5963
hex#4b5963
rgbrgb(75, 89, 99)
hslhsl(205, 14%, 34%)
oklchoklch(0.456 0.024 239.2)
Closest name: Blackwater (#545663)Relative luminance 0.0954

Colors that go with #4b5963

Blue, Blush Pink and Cadet 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 #4b5963

Tints & shades

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

Harmonies

Complementary

Open in tool →

#63554b

#4b6361 · #4b4d63

#634b59 · #59634b

Split-complementary

Open in tool →

#634b4d · #63614b

#614b63 · #63554b · #4d634b

Contrast

#4b5963 as textRatioAAAA largeAAAFix
Aaon white
7.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #657886 as the text (4.58:1)
  • AAA: use #8899a5 as the text (7.15:1)
  • AA: or shift the background to #cfcfcf (4.63:1)
  • AAA: or shift the background to #fcfcfc (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b5963 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 #4b5963
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 #4b5963 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b5963-9cafc4-df4e58-1f212d-e9f1f0?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