Color

#4db8cb

#4db8cb
hex#4db8cb
rgbrgb(77, 184, 203)
hslhsl(189, 55%, 55%)
oklchoklch(0.728 0.101 211.2)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4017

Colors that go with #4db8cb

Charcoal, Dark Orange 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 →

#cb604d

#4dcb9f · #4d79cb

#cb4db8 · #b8cb4d

Split-complementary

Open in tool →

#cb4d79 · #cb9f4d

#9f4dcb · #cb604d · #79cb4d

Contrast

#4db8cb as textRatioAAAA largeAAAFix
Aaon white
2.32:1failfailfail
  • AA: use #297f8e as the text (4.65:1)
  • AAA: use #1f5f6b as the text (7.22:1)
  • AA: or shift the background to #3d3d3d (4.67:1)
  • AAA: or shift the background to #1f1f1f (7.09:1)
Aaon black
9.03:1passpasspassPasses 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 #4db8cb 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

#4db8cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4db8cb
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 #4db8cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4db8cb-a2b7be-df4e7e-1f252d-e9f1ee?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