Color

#4cb4f0

#4cb4f0
hex#4cb4f0
rgbrgb(76, 180, 240)
hslhsl(202, 85%, 62%)
oklchoklch(0.734 0.129 237.6)
Closest name: Cerulean (#55aaee)Relative luminance 0.4047

Colors that go with #4cb4f0

Charcoal, Dark Orange 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 →

#f0884c

#4cf0db · #4c62f0

#f04cb4 · #b4f04c

Split-complementary

Open in tool →

#f04c62 · #f0db4c

#db4cf0 · #f0884c · #62f04c

Contrast

#4cb4f0 as textRatioAAAA largeAAAFix
Aaon white
2.31:1failfailfail
  • AA: use #0f7ab8 as the text (4.67:1)
  • AAA: use #0b5b89 as the text (7.31:1)
  • AA: or shift the background to #3d3d3d (4.7:1)
  • AAA: or shift the background to #1f1f1f (7.14:1)
Aaon black
9.09:1passpasspassPasses 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 #4cb4f0 as the background.

Brands using this color

Fonts for this mood

#4cb4f0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4cb4f0
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 #4cb4f0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4cb4f0-9cb1c4-df4e5f-1f222d-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