Color

#03d3fc

#03d3fc
hex#03d3fc
rgbrgb(3, 211, 252)
hslhsl(190, 98%, 50%)
oklchoklch(0.801 0.144 218.6)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5364

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fc2c03

#03fca9 · #0356fc

#fc03d3 · #d3fc03

Split-complementary

Open in tool →

#fc0356 · #fca903

#a903fc · #fc2c03 · #56fc03

Contrast

#03d3fc as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #027e97 as the text (4.74:1)
  • AAA: use #016174 as the text (7.09:1)
  • AA: or shift the background to #4f4f4f (4.57:1)
  • AAA: or shift the background to #333333 (7.06:1)
Aaon black
11.73:1passpasspassPasses 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 #03d3fc as the background.

Brands using this color

Fonts for this mood

#03d3fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03d3fc
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 #03d3fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03d3fc-a2b6be-df4e7c-1f252d-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