Color

#04b2cd

#04b2cd
hex#04b2cd
rgbrgb(4, 178, 205)
hslhsl(188, 96%, 41%)
oklchoklch(0.702 0.123 213.7)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3627

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cd1f04

#04cd83 · #044ecd

#cd04b2 · #b2cd04

Split-complementary

Open in tool →

#cd044e · #cd8304

#8304cd · #cd1f04 · #4ecd04

Contrast

#04b2cd as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #038296 as the text (4.53:1)
  • AAA: use #02606e as the text (7.24:1)
  • AA: or shift the background to #383838 (4.61:1)
  • AAA: or shift the background to #171717 (7.05:1)
Aaon black
8.25:1passpasspassPasses 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 #04b2cd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#04b2cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04b2cd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #04b2cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04b2cd-a2b7be-df4e81-1f252d-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