Color

#4b8bb9

#4b8bb9
hex#4b8bb9
rgbrgb(75, 139, 185)
hslhsl(205, 44%, 51%)
oklchoklch(0.614 0.096 241.9)
Closest name: steelblue (#4682b4)Relative luminance 0.2346

Colors that go with #4b8bb9

Charcoal, Copper 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b9794b

#4bb9b0 · #4b54b9

#b94b8b · #8bb94b

Split-complementary

Open in tool →

#b94b54 · #b9b04b

#b04bb9 · #b9794b · #54b94b

Contrast

#4b8bb9 as textRatioAAAA largeAAAFix
Aaon white
3.69:1failpassfail
  • AA: use #407ba5 as the text (4.57:1)
  • AAA: use #315d7d as the text (7.02:1)
  • AA: or shift the background to #1c1c1c (4.62:1)
Aaon black
5.69:1passpassfail
  • AAA: use #659cc3 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b8bb9 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#4b8bb9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b8bb9
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 #4b8bb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b8bb9-9cafc4-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