Color

#4b7191

#4b7191
hex#4b7191
rgbrgb(75, 113, 145)
hslhsl(207, 32%, 43%)
oklchoklch(0.533 0.066 244.9)
Closest name: Harbour Blue (#417491)Relative luminance 0.1535

Colors that go with #4b7191

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 #4b7191

Tints & shades

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

Harmonies

Complementary

Open in tool →

#916a4b

#4b918d · #4b4e91

#914b71 · #71914b

Split-complementary

Open in tool →

#914b4e · #918d4b

#8d4b91 · #916a4b · #4e914b

Contrast

#4b7191 as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #3d5c76 as the text (7.02:1)
Aaon black
4.07:1failpassfail
  • AA: use #50799b as the text (4.55:1)
  • AAA: use #759ab8 as the text (7.07:1)
  • AA: or shift the background to #f0f0f0 (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 #4b7191 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 #4b7191
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 #4b7191 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b7191-9cadc4-df4e53-1f212d-e9f1f1?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