Color

#4da3cb

#4da3cb
hex#4da3cb
rgbrgb(77, 163, 203)
hslhsl(199, 55%, 55%)
oklchoklch(0.679 0.101 231)
Closest name: Cousteau (#55a9d6)Relative luminance 0.3208

Colors that go with #4da3cb

Charcoal, Peru 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 →

#cb754d

#4dcbb4 · #4d64cb

#cb4da3 · #a3cb4d

Split-complementary

Open in tool →

#cb4d64 · #cbb44d

#b44dcb · #cb754d · #64cb4d

Contrast

#4da3cb as textRatioAAAA largeAAAFix
Aaon white
2.83:1failfailfail
  • AA: use #2f7ea2 as the text (4.54:1)
  • AAA: use #245f7b as the text (7:1)
  • AA: or shift the background to #303030 (4.66:1)
  • AAA: or shift the background to #080808 (7.07:1)
Aaon black
7.42:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4da3cb 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

#4da3cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4da3cb
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 #4da3cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4da3cb-9cb3c4-df4e66-1f232d-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