Color

#03bcdd

#03bcdd
hex#03bcdd
rgbrgb(3, 188, 221)
hslhsl(189, 97%, 44%)
oklchoklch(0.733 0.13 216.4)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4121

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd2403

#03dd91 · #0350dd

#dd03bc · #bcdd03

Split-complementary

Open in tool →

#dd0350 · #dd9103

#9103dd · #dd2403 · #50dd03

Contrast

#03bcdd as textRatioAAAA largeAAAFix
Aaon white
2.27:1failfailfail
  • AA: use #028097 as the text (4.63:1)
  • AAA: use #025e6f as the text (7.41:1)
  • AA: or shift the background to #404040 (4.56:1)
  • AAA: or shift the background to #212121 (7.09:1)
Aaon black
9.24:1passpasspassPasses 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 #03bcdd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#03bcdd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03bcdd
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 #03bcdd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03bcdd-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