Color

#4b8aaa

#4b8aaa
hex#4b8aaa
rgbrgb(75, 138, 170)
hslhsl(200, 39%, 48%)
oklchoklch(0.604 0.081 232.4)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2258

Colors that go with #4b8aaa

Charcoal, Copper and Denim 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 →

#aa6a4b

#4baa9a · #4b5baa

#aa4b8a · #8aaa4b

Split-complementary

Open in tool →

#aa4b5b · #aa9a4b

#9a4baa · #aa6a4b · #5baa4b

Contrast

#4b8aaa as textRatioAAAA largeAAAFix
Aaon white
3.81:1failpassfail
  • AA: use #437c98 as the text (4.59:1)
  • AAA: use #325c71 as the text (7.23:1)
  • AA: or shift the background to #1a1a1a (4.57:1)
Aaon black
5.52:1passpassfail
  • AAA: use #639dbb as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b8aaa 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

#4b8aaa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b8aaa
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 #4b8aaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b8aaa-9cb2c4-df4e64-1f232d-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