Color

#03bdce

#03bdce
hex#03bdce
rgbrgb(3, 189, 206)
hslhsl(185, 97%, 41%)
oklchoklch(0.729 0.125 206.2)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4087

Colors that go with #03bdce

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 →

#ce1403

#03ce79 · #0358ce

#ce03bd · #bdce03

Split-complementary

Open in tool →

#ce0358 · #ce7903

#7903ce · #ce1403 · #58ce03

Contrast

#03bdce as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #02818d as the text (4.64:1)
  • AAA: use #026169 as the text (7.2:1)
  • AA: or shift the background to #404040 (4.53:1)
  • AAA: or shift the background to #212121 (7.03:1)
Aaon black
9.17:1passpasspassPasses 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 #03bdce as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/03bdce-a2b8be-df4e88-1f262d-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