Color

#4b596c

#4b596c
hex#4b596c
rgbrgb(75, 89, 108)
hslhsl(215, 18%, 36%)
oklchoklch(0.46 0.036 256.1)
Closest name: Blackwater (#545663)Relative luminance 0.0972

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6c5f4b

#4b6a6c · #4e4b6c

#6c4b59 · #596c4b

Split-complementary

Open in tool →

#6c4e4b · #6a6c4b

#6c4b6a · #6c5f4b · #4b6c4e

Contrast

#4b596c as textRatioAAAA largeAAAFix
Aaon white
7.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #647790 as the text (4.58:1)
  • AAA: use #8a99ad as the text (7.24:1)
  • AA: or shift the background to #cfcfcf (4.58:1)
  • AAA: or shift the background to #ffffff (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b596c 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 #4b596c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4b596c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b596c-9ca8c4-df5d4e-201f2d-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