Color

#04c3dc

#04c3dc
hex#04c3dc
rgbrgb(4, 195, 220)
hslhsl(187, 96%, 44%)
oklchoklch(0.75 0.13 211)
Closest name: darkturquoise (#00ced1)Relative luminance 0.4422

Colors that go with #04c3dc

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 →

#dc1e04

#04dc89 · #0457dc

#dc04c3 · #c3dc04

Split-complementary

Open in tool →

#dc0457 · #dc8904

#8904dc · #dc1e04 · #57dc04

Contrast

#04c3dc as textRatioAAAA largeAAAFix
Aaon white
2.13:1failfailfail
  • AA: use #038091 as the text (4.67:1)
  • AAA: use #02616e as the text (7.15:1)
  • AA: or shift the background to #424242 (4.71:1)
  • AAA: or shift the background to #262626 (7.09:1)
Aaon black
9.84:1passpasspassPasses 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 #04c3dc as the background.

Brands using this color

Fonts for this mood

#04c3dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04c3dc
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 #04c3dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04c3dc-a2b8be-df4e83-1f262d-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