Color

#03b2dd

#03b2dd
hex#03b2dd
rgbrgb(3, 178, 221)
hslhsl(192, 97%, 44%)
oklchoklch(0.709 0.132 223.3)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3708

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd2f03

#03dd9c · #0345dd

#dd03b2 · #b2dd03

Split-complementary

Open in tool →

#dd0345 · #dd9c03

#9c03dd · #dd2f03 · #45dd03

Contrast

#03b2dd as textRatioAAAA largeAAAFix
Aaon white
2.5:1failfailfail
  • AA: use #0281a1 as the text (4.51:1)
  • AAA: use #026179 as the text (7.03:1)
  • AA: or shift the background to #383838 (4.7:1)
  • AAA: or shift the background to #171717 (7.18:1)
Aaon black
8.42:1passpasspassPasses 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 #03b2dd 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

#03b2dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03b2dd
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 #03b2dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03b2dd-a2b5be-df4e77-1f242d-e9f1ef?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